CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

CVE-2023-4263 (GCVE-0-2023-4263)

Vulnerability from cvelistv5 – Published: 2023-10-13 20:42 – Updated: 2025-02-13 17:09
VLAI
Title
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
Summary
Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-121 - Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Assigner
Impacted products
Vendor Product Version
zephyrproject-rtos Zephyr Affected: 0 , ≤ 3.4 (git)
Create a notification for this product.
Show details on NVD website

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CVE-2023-4264 (GCVE-0-2023-4264)

Vulnerability from cvelistv5 – Published: 2023-09-26 18:34 – Updated: 2025-06-18 14:13
VLAI
Title
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
Summary
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-121 - Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
  • CWE-122 - Heap-based Buffer Overflow A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Assigner
Impacted products
Vendor Product Version
zephyrproject-rtos Zephyr Affected: 0 , ≤ 3.4 (git)
Create a notification for this product.
Show details on NVD website

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CVE-2023-4265 (GCVE-0-2023-4265)

Vulnerability from cvelistv5 – Published: 2023-08-12 22:09 – Updated: 2025-02-13 17:09
VLAI
Title
Buffer overflow in Zephyr USB
Summary
Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis... https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis.c#L841
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
zephyrproject-rtos Zephyr Affected: * , ≤ 3.3 (git)
Create a notification for this product.
Credits
raptor@0xdeadbeef.info
Show details on NVD website

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CVE-2023-42799 (GCVE-0-2023-42799)

Vulnerability from cvelistv5 – Published: 2023-12-14 16:47 – Updated: 2024-10-08 14:20
VLAI
Title
Buffer overflow due to use of `strcpy` in `parseUrlAddrFromRtspUrlString`
Summary
Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit 50c0a51b10ecc5b3415ea78c21d96d679e2288f9 due to unmitigated usage of unsafe C functions and improper bounds checking. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client, or achieve remote code execution (RCE) on the client (with insufficient exploit mitigations or if mitigations can be bypassed). The bug was addressed in commit 02b7742f4d19631024bd766bd2bb76715780004e.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
moonlight-stream moonlight-common-c Affected: >= 50c0a51b10ecc5b3415ea78c21d96d679e2288f9, < 02b7742f4d19631024bd766bd2bb76715780004e
Create a notification for this product.
Show details on NVD website

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CVE-2023-42800 (GCVE-0-2023-42800)

Vulnerability from cvelistv5 – Published: 2023-12-14 16:57 – Updated: 2024-11-27 15:50
VLAI
Title
Buffer overflow due to use of `strcpy` in `performRtspHandshake`
Summary
Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit 50c0a51b10ecc5b3415ea78c21d96d679e2288f9 due to unmitigated usage of unsafe C functions and improper bounds checking. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client, or achieve remote code execution (RCE) on the client (with insufficient exploit mitigations or if mitigations can be bypassed). The bug was addressed in commit 24750d4b748fefa03d09fcfd6d45056faca354e0.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
moonlight-stream moonlight-common-c Affected: >= 50c0a51b10ecc5b3415ea78c21d96d679e2288f9, < 24750d4b748fefa03d09fcfd6d45056faca354e0
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CVE-2023-42801 (GCVE-0-2023-42801)

Vulnerability from cvelistv5 – Published: 2023-12-14 17:02 – Updated: 2024-08-02 19:30
VLAI
Title
Stack buffer overflow due to `strcpy` into fixed size buffer in `extractVersionQuadFromString`
Summary
Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit f57bd745b4cbed577ea654fad4701bea4d38b44c. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client. Achieving RCE is possible but unlikely, due to stack canaries in use by modern compiler toolchains. The published binaries for official clients Qt, Android, iOS/tvOS, and Embedded are built with stack canaries, but some unofficial clients may not use stack canaries. This vulnerability takes place after the pairing process, so it requires the client to be tricked into pairing to a malicious host. It is not possible to perform using a man-in-the-middle due to public key pinning that takes place during the pairing process. The bug was addressed in commit b2497a3918a6d79808d9fd0c04734786e70d5954.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
moonlight-stream moonlight-common-c Affected: >= f57bd745b4cbed577ea654fad4701bea4d38b44c, < b2497a3918a6d79808d9fd0c04734786e70d5954
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CVE-2023-43314 (GCVE-0-2023-43314)

Vulnerability from cvelistv5 – Published: 2023-09-27 00:00 – Updated: 2024-08-02 19:37 Unsupported When Assigned
VLAI
Summary
** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
Zyxel PMG2005-T20B Affected: V1.00(ABNK.2)b11_C0
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CVE-2023-43504 (GCVE-0-2023-43504)

Vulnerability from cvelistv5 – Published: 2023-11-14 11:03 – Updated: 2025-01-08 16:40
VLAI
Summary
A vulnerability has been identified in COMOS (All versions < V10.4.4). Ptmcast executable used for testing cache validation service in affected application is vulnerable to Structured Exception Handler (SEH) based buffer overflow. This could allow an attacker to execute arbitrary code on the target system or cause denial of service condition.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
Siemens COMOS Affected: All versions < V10.4.4
Create a notification for this product.
Show details on NVD website

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CVE-2023-43515 (GCVE-0-2023-43515)

Vulnerability from cvelistv5 – Published: 2024-04-01 15:05 – Updated: 2024-08-02 19:44
VLAI
Title
Buffer copy without checking size of input (Classic buffer overflow) in HLOS
Summary
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
CWE
  • CWE-120 - Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: FastConnect 6900
Affected: FastConnect 7800
Affected: Snapdragon 8 Gen 1 Mobile Platform
Affected: WCD9380
Affected: WSA8830
Affected: WSA8835
Create a notification for this product.
Show details on NVD website

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CVE-2023-43519 (GCVE-0-2023-43519)

Vulnerability from cvelistv5 – Published: 2024-02-06 05:47 – Updated: 2024-08-02 19:44
VLAI
Title
Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in Video
Summary
Memory corruption in video while parsing the Videoinfo, when the size of atom is greater than the videoinfo size.
CWE
  • CWE-120 - Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: AQT1000
Affected: FastConnect 6200
Affected: FastConnect 6700
Affected: FastConnect 6800
Affected: FastConnect 6900
Affected: FastConnect 7800
Affected: QAM8255P
Affected: QAM8295P
Affected: QAM8650P
Affected: QAM8775P
Affected: QAMSRV1H
Affected: QAMSRV1M
Affected: QCA6310
Affected: QCA6320
Affected: QCA6391
Affected: QCA6420
Affected: QCA6430
Affected: QCA6574
Affected: QCA6574A
Affected: QCA6574AU
Affected: QCA6595
Affected: QCA6595AU
Affected: QCA6696
Affected: QCA6698AQ
Affected: QCM2290
Affected: QCM4290
Affected: QCM4490
Affected: QCM6490
Affected: QCN7606
Affected: QCS2290
Affected: QCS410
Affected: QCS4290
Affected: QCS4490
Affected: QCS610
Affected: QCS6490
Affected: Qualcomm Video Collaboration VC1 Platform
Affected: Qualcomm Video Collaboration VC3 Platform
Affected: SA4150P
Affected: SA4155P
Affected: SA6145P
Affected: SA6150P
Affected: SA6155P
Affected: SA8145P
Affected: SA8150P
Affected: SA8155P
Affected: SA8195P
Affected: SA8255P
Affected: SA8295P
Affected: SA8650P
Affected: SA8770P
Affected: SA8775P
Affected: SA9000P
Affected: SD 8 Gen1 5G
Affected: SD660
Affected: SD730
Affected: SD835
Affected: SD855
Affected: SD865 5G
Affected: SD888
Affected: SM6250
Affected: SM7250P
Affected: SM7315
Affected: SM7325P
Affected: Snapdragon 4 Gen 1 Mobile Platform
Affected: Snapdragon 4 Gen 2 Mobile Platform
Affected: Snapdragon 460 Mobile Platform
Affected: Snapdragon 480 5G Mobile Platform
Affected: Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
Affected: Snapdragon 660 Mobile Platform
Affected: Snapdragon 662 Mobile Platform
Affected: Snapdragon 665 Mobile Platform
Affected: Snapdragon 675 Mobile Platform
Affected: Snapdragon 678 Mobile Platform (SM6150-AC)
Affected: Snapdragon 680 4G Mobile Platform
Affected: Snapdragon 685 4G Mobile Platform (SM6225-AD)
Affected: Snapdragon 690 5G Mobile Platform
Affected: Snapdragon 695 5G Mobile Platform
Affected: Snapdragon 720G Mobile Platform
Affected: Snapdragon 730 Mobile Platform (SM7150-AA)
Affected: Snapdragon 730G Mobile Platform (SM7150-AB)
Affected: Snapdragon 732G Mobile Platform (SM7150-AC)
Affected: Snapdragon 765 5G Mobile Platform (SM7250-AA)
Affected: Snapdragon 765G 5G Mobile Platform (SM7250-AB)
Affected: Snapdragon 768G 5G Mobile Platform (SM7250-AC)
Affected: Snapdragon 778G 5G Mobile Platform
Affected: Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
Affected: Snapdragon 780G 5G Mobile Platform
Affected: Snapdragon 782G Mobile Platform (SM7325-AF)
Affected: Snapdragon 7c+ Gen 3 Compute
Affected: Snapdragon 8 Gen 1 Mobile Platform
Affected: Snapdragon 8+ Gen 1 Mobile Platform
Affected: Snapdragon 835 Mobile PC Platform
Affected: Snapdragon 845 Mobile Platform
Affected: Snapdragon 855 Mobile Platform
Affected: Snapdragon 855+/860 Mobile Platform (SM8150-AC)
Affected: Snapdragon 865 5G Mobile Platform
Affected: Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
Affected: Snapdragon 870 5G Mobile Platform (SM8250-AC)
Affected: Snapdragon 888 5G Mobile Platform
Affected: Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
Affected: Snapdragon W5+ Gen 1 Wearable Platform
Affected: Snapdragon Wear 4100+ Platform
Affected: Snapdragon X55 5G Modem-RF System
Affected: Snapdragon XR2 5G Platform
Affected: Snapdragon XR2+ Gen 1 Platform
Affected: SRV1H
Affected: SRV1M
Affected: SSG2115P
Affected: SSG2125P
Affected: SW5100
Affected: SW5100P
Affected: SXR1230P
Affected: SXR2230P
Affected: WCD9335
Affected: WCD9340
Affected: WCD9341
Affected: WCD9370
Affected: WCD9375
Affected: WCD9380
Affected: WCD9385
Affected: WCN3610
Affected: WCN3660B
Affected: WCN3680B
Affected: WCN3910
Affected: WCN3950
Affected: WCN3980
Affected: WCN3988
Affected: WCN3990
Affected: WCN6740
Affected: WSA8810
Affected: WSA8815
Affected: WSA8830
Affected: WSA8832
Affected: WSA8835
Create a notification for this product.
Show details on NVD website

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            },
            {
              "status": "affected",
              "version": "SA8150P"
            },
            {
              "status": "affected",
              "version": "SA8155P"
            },
            {
              "status": "affected",
              "version": "SA8195P"
            },
            {
              "status": "affected",
              "version": "SA8255P"
            },
            {
              "status": "affected",
              "version": "SA8295P"
            },
            {
              "status": "affected",
              "version": "SA8650P"
            },
            {
              "status": "affected",
              "version": "SA8770P"
            },
            {
              "status": "affected",
              "version": "SA8775P"
            },
            {
              "status": "affected",
              "version": "SA9000P"
            },
            {
              "status": "affected",
              "version": "SD 8 Gen1 5G"
            },
            {
              "status": "affected",
              "version": "SD660"
            },
            {
              "status": "affected",
              "version": "SD730"
            },
            {
              "status": "affected",
              "version": "SD835"
            },
            {
              "status": "affected",
              "version": "SD855"
            },
            {
              "status": "affected",
              "version": "SD865 5G"
            },
            {
              "status": "affected",
              "version": "SD888"
            },
            {
              "status": "affected",
              "version": "SM6250"
            },
            {
              "status": "affected",
              "version": "SM7250P"
            },
            {
              "status": "affected",
              "version": "SM7315"
            },
            {
              "status": "affected",
              "version": "SM7325P"
            },
            {
              "status": "affected",
              "version": "Snapdragon 4 Gen 1 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 4 Gen 2 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 460 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 480 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 480+ 5G Mobile Platform (SM4350-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 660 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 662 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 665 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 675 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 678 Mobile Platform (SM6150-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 680 4G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 685 4G Mobile Platform (SM6225-AD)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 690 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 695 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 720G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 730 Mobile Platform (SM7150-AA)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 730G Mobile Platform (SM7150-AB)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 732G Mobile Platform (SM7150-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 765 5G Mobile Platform (SM7250-AA)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 765G 5G Mobile Platform (SM7250-AB)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 768G 5G Mobile Platform (SM7250-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 778G 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 780G 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 782G Mobile Platform (SM7325-AF)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 7c+ Gen 3 Compute"
            },
            {
              "status": "affected",
              "version": "Snapdragon 8 Gen 1 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 8+ Gen 1 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 835 Mobile PC Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 845 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 855 Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 855+/860 Mobile Platform (SM8150-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 865 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 865+ 5G Mobile Platform (SM8250-AB)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 870 5G Mobile Platform (SM8250-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon 888 5G Mobile Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon 888+ 5G Mobile Platform (SM8350-AC)"
            },
            {
              "status": "affected",
              "version": "Snapdragon W5+ Gen 1 Wearable Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon Wear 4100+ Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon X55 5G Modem-RF System"
            },
            {
              "status": "affected",
              "version": "Snapdragon XR2 5G Platform"
            },
            {
              "status": "affected",
              "version": "Snapdragon XR2+ Gen 1 Platform"
            },
            {
              "status": "affected",
              "version": "SRV1H"
            },
            {
              "status": "affected",
              "version": "SRV1M"
            },
            {
              "status": "affected",
              "version": "SSG2115P"
            },
            {
              "status": "affected",
              "version": "SSG2125P"
            },
            {
              "status": "affected",
              "version": "SW5100"
            },
            {
              "status": "affected",
              "version": "SW5100P"
            },
            {
              "status": "affected",
              "version": "SXR1230P"
            },
            {
              "status": "affected",
              "version": "SXR2230P"
            },
            {
              "status": "affected",
              "version": "WCD9335"
            },
            {
              "status": "affected",
              "version": "WCD9340"
            },
            {
              "status": "affected",
              "version": "WCD9341"
            },
            {
              "status": "affected",
              "version": "WCD9370"
            },
            {
              "status": "affected",
              "version": "WCD9375"
            },
            {
              "status": "affected",
              "version": "WCD9380"
            },
            {
              "status": "affected",
              "version": "WCD9385"
            },
            {
              "status": "affected",
              "version": "WCN3610"
            },
            {
              "status": "affected",
              "version": "WCN3660B"
            },
            {
              "status": "affected",
              "version": "WCN3680B"
            },
            {
              "status": "affected",
              "version": "WCN3910"
            },
            {
              "status": "affected",
              "version": "WCN3950"
            },
            {
              "status": "affected",
              "version": "WCN3980"
            },
            {
              "status": "affected",
              "version": "WCN3988"
            },
            {
              "status": "affected",
              "version": "WCN3990"
            },
            {
              "status": "affected",
              "version": "WCN6740"
            },
            {
              "status": "affected",
              "version": "WSA8810"
            },
            {
              "status": "affected",
              "version": "WSA8815"
            },
            {
              "status": "affected",
              "version": "WSA8830"
            },
            {
              "status": "affected",
              "version": "WSA8832"
            },
            {
              "status": "affected",
              "version": "WSA8835"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Memory corruption in video while parsing the Videoinfo, when the size of atom is greater than the videoinfo size."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120 Buffer Copy Without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-04-12T16:01:20.610Z",
        "orgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
        "shortName": "qualcomm"
      },
      "references": [
        {
          "url": "https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin"
        }
      ],
      "title": "Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in Video"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
    "assignerShortName": "qualcomm",
    "cveId": "CVE-2023-43519",
    "datePublished": "2024-02-06T05:47:21.253Z",
    "dateReserved": "2023-09-19T14:48:15.090Z",
    "dateUpdated": "2024-08-02T19:44:42.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Mitigation ID: MIT-3

Phase: Requirements

Strategy: Language Selection

Description:

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
  • Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation ID: MIT-4.1

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation ID: MIT-10

Phases: Operation, Build and Compilation

Strategy: Environment Hardening

Description:

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation ID: MIT-9

Phase: Implementation

Description:

  • Consider adhering to the following rules when allocating and managing an application's memory:
  • Double check that your buffer is as large as you specify.
  • When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
  • Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
  • If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation ID: MIT-5

Phase: Implementation

Strategy: Input Validation

Description:

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation ID: MIT-15

Phase: Architecture and Design

Description:

  • For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation ID: MIT-11

Phases: Operation, Build and Compilation

Strategy: Environment Hardening

Description:

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation ID: MIT-12

Phase: Operation

Strategy: Environment Hardening

Description:

  • Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
  • For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation

Phases: Build and Compilation, Operation

Description:

  • Most mitigating technologies at the compiler or OS level to date address only a subset of buffer overflow problems and rarely provide complete protection against even that subset. It is good practice to implement strategies to increase the workload of an attacker, such as leaving the attacker to guess an unknown value that changes every program execution.
Mitigation ID: MIT-13

Phase: Implementation

Description:

  • Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
Mitigation ID: MIT-21

Phase: Architecture and Design

Strategy: Enforcement by Conversion

Description:

  • When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation ID: MIT-17

Phases: Architecture and Design, Operation

Strategy: Environment Hardening

Description:

  • Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation ID: MIT-22

Phases: Architecture and Design, Operation

Strategy: Sandbox or Jail

Description:

  • Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-10: Buffer Overflow via Environment Variables

This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the adversary finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.

CAPEC-100: Overflow Buffers

Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an adversary. As a consequence, an adversary is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the adversaries' choice.

CAPEC-14: Client-side Injection-induced Buffer Overflow

This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service. This hostile service is created to deliver the correct content to the client software. For example, if the client-side application is a browser, the service will host a webpage that the browser loads.

CAPEC-24: Filter Failure through Buffer Overflow

In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).

CAPEC-42: MIME Conversion

An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

CAPEC-44: Overflow Binary Resource File

An attack of this type exploits a buffer overflow vulnerability in the handling of binary resources. Binary resources may include music files like MP3, image files like JPEG files, and any other binary file. These attacks may pass unnoticed to the client machine through normal usage of files, such as a browser loading a seemingly innocent JPEG file. This can allow the adversary access to the execution stack and execute arbitrary code in the target process.

CAPEC-45: Buffer Overflow via Symbolic Links

This type of attack leverages the use of symbolic links to cause buffer overflows. An adversary can try to create or manipulate a symbolic link file such that its contents result in out of bounds data. When the target software processes the symbolic link file, it could potentially overflow internal buffers with insufficient bounds checking.

CAPEC-46: Overflow Variables and Tags

This type of attack leverages the use of tags or variables from a formatted configuration data to cause buffer overflow. The adversary crafts a malicious HTML page or configuration file that includes oversized strings, thus causing an overflow.

CAPEC-47: Buffer Overflow via Parameter Expansion

In this attack, the target software is given input that the adversary knows will be modified and expanded in size during processing. This attack relies on the target software failing to anticipate that the expanded data may exceed some internal limit, thereby creating a buffer overflow.

CAPEC-67: String Format Overflow in syslog()

This attack targets applications and software that uses the syslog() function insecurely. If an application does not explicitely use a format string parameter in a call to syslog(), user input can be placed in the format string parameter leading to a format string injection attack. Adversaries can then inject malicious format string commands into the function call leading to a buffer overflow. There are many reported software vulnerabilities with the root cause being a misuse of the syslog() function.

CAPEC-8: Buffer Overflow in an API Call

This attack targets libraries or shared code modules which are vulnerable to buffer overflow attacks. An adversary who has knowledge of known vulnerable libraries or shared code can easily target software that makes use of these libraries. All clients that make use of the code library thus become vulnerable by association. This has a very broad effect on security across a system, usually affecting more than one software process.

CAPEC-9: Buffer Overflow in Local Command-Line Utilities

This attack targets command-line utilities available in a number of shells. An adversary can leverage a vulnerability found in a command-line utility to escalate privilege to root.

CAPEC-92: Forced Integer Overflow

This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.

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