Common Weakness Enumeration

CWE-125

Allowed

Out-of-bounds Read

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product reads data past the end, or before the beginning, of the intended buffer.

11292 vulnerabilities reference this CWE, most recent first.

CVE-2023-2860 (GCVE-0-2023-2860)

Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-03-05 18:47
VLAI
Title
Out-of-bounds read when setting hmac data
Summary
An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. The issue results from the improper validation of user-supplied data, which can result in a read past the end of an allocated buffer. This flaw allows a privileged local user to disclose sensitive information on affected installations of the Linux kernel.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Date Public
2022-09-05 00:00
Show details on NVD website
To clipboard 

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CVE-2023-2838 (GCVE-0-2023-2838)

Vulnerability from cvelistv5 – Published: 2023-05-22 00:00 – Updated: 2025-01-21 16:00
VLAI
Title
Out-of-bounds Read in gpac/gpac
Summary
Out-of-bounds Read in GitHub repository gpac/gpac prior to 2.2.2.
Severity
6.1 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
gpac gpac/gpac Affected: unspecified , < 2.2.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-2512 (GCVE-0-2023-2512)

Vulnerability from cvelistv5 – Published: 2023-05-12 10:09 – Updated: 2025-01-24 15:18
VLAI
Title
Buffer under-read in workerd
Summary
Prior to version v1.20230419.0, the FormData API implementation was subject to an integer overflow. If a FormData instance contained more than 2^31 elements, the forEach() method could end up reading from the wrong location in memory while iterating over elements. This would most likely lead to a segmentation fault, but could theoretically allow arbitrary undefined behavior. In order for the bug to be exploitable, the process would need to be able to allocate 160GB of RAM. Due to this, the bug was never exploitable on the Cloudflare Workers platform, but could theoretically be exploitable on deployments of workerd running on machines with a huge amount of memory. Moreover, in order to be remotely exploited, an attacker would have to upload a single form-encoded HTTP request of at least tens of gigabytes in size. The application code would then have to use request.formData() to parse the request and formData.forEach() to iterate over this data. Due to these limitations, the exploitation likelihood was considered Low. A fix that addresses this vulnerability has been released in version v1.20230419.0 and users are encouraged to update to the latest version available.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Cloudflare workerd Affected: v1.20221108.0 , ≤ v1.20230404.0 (patch)
Create a notification for this product.
Credits
ubercomp
Show details on NVD website
To clipboard 

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CVE-2023-2226 (GCVE-0-2023-2226)

Vulnerability from cvelistv5 – Published: 2023-04-21 11:48 – Updated: 2025-02-04 20:33
VLAI
Title
Velociraptor crashes while parsing some malformed PE or OLE files.
Summary
Due to insufficient validation in the PE and OLE parsers in Rapid7's Velociraptor versions earlier than 0.6.8 allows attacker to crash Velociraptor during parsing of maliciously malformed files.  For this attack to succeed, the attacker needs to be able to introduce malicious files to the system at the same time that Velociraptor attempts to collect any artifacts that attempt to parse PE files, Authenticode signatures, or OLE files. After crashing, the Velociraptor service will restart and it will still be possible to collect other artifacts.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Rapid7 Velociraptor Affected: 0 , < 0.6.8 (semver)
Create a notification for this product.
Date Public
2023-04-21 11:45
Credits
Thanks to b1tg https://github.com/b1tg for reporting these issues and providing samples that trigger the crashes
Show details on NVD website
To clipboard 

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CVE-2023-2176 (GCVE-0-2023-2176)

Vulnerability from cvelistv5 – Published: 2023-04-20 00:00 – Updated: 2025-05-05 16:01
VLAI
Summary
A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux 6.1
Show details on NVD website
To clipboard 

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CVE-2023-1916 (GCVE-0-2023-1916)

Vulnerability from cvelistv5 – Published: 2023-04-10 00:00 – Updated: 2024-08-02 06:05
VLAI
Summary
A flaw was found in tiffcrop, a program distributed by the libtiff package. A specially crafted tiff file can lead to an out-of-bounds read in the extractImageSection function in tools/tiffcrop.c, resulting in a denial of service and limited information disclosure. This issue affects libtiff versions 4.x.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libtiff Affected: libtiff versions 4.x and newer are affected
Show details on NVD website
To clipboard 

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CVE-2023-1544 (GCVE-0-2023-1544)

Vulnerability from cvelistv5 – Published: 2023-03-23 00:00 – Updated: 2025-11-03 19:27
VLAI
Title
Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()
Summary
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.
Severity
6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Unaffected: 8.2.0-rc0 , < * (semver)
qemu rdma Affected: 0 , < 8.2.0 (custom)
    cpe:2.3:a:qemu:rdma:*:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-02-27 00:00
Credits
Red Hat would like to thank SorryMybad (Kunlun Lab) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2023-1380 (GCVE-0-2023-1380)

Vulnerability from cvelistv5 – Published: 2023-03-27 00:00 – Updated: 2024-08-02 05:49
VLAI
Summary
A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: unknown
Show details on NVD website
To clipboard 

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CVE-2023-0972 (GCVE-0-2023-0972)

Vulnerability from cvelistv5 – Published: 2023-06-21 19:43 – Updated: 2024-12-06 18:27
VLAI
Title
Buffer overflow in S0 Decryption on Z/IP Gatweay
Summary
Description: A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.
Severity
9.6 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Silicon Labs Z/IP Gateway Unaffected: 7.18.03
Create a notification for this product.
Date Public
2023-06-08 22:08
Show details on NVD website
To clipboard 

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CVE-2023-0970 (GCVE-0-2023-0970)

Vulnerability from cvelistv5 – Published: 2023-06-21 19:41 – Updated: 2024-12-06 18:27
VLAI
Title
Serial API Buffer Overflow in Z/IP Gateway
Summary
Multiple buffer overflow vulnerabilities in SiLabs Z/IP Gateway SDK version 7.18.01 and earlier allow an attacker with invasive physical access to a Z-Wave controller device to overwrite global memory and potentially execute arbitrary code.
Severity
7.1 (High)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Silicon Labs Z/IP Gateway Unaffected: 7.18.03
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-5
Implementation

Strategy: Input Validation

  • 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.
  • To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation
Architecture and Design

Strategy: Language Selection

Use a language that provides appropriate memory abstractions.

CAPEC-540: Overread Buffers

An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

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