Common Weakness Enumeration
CWE-129
AllowedImproper Validation of Array Index
Abstraction: Variant · Status: Draft
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
746 vulnerabilities reference this CWE, most recent first.
CVE-2023-20601 (GCVE-0-2023-20601)
Vulnerability from cvelistv5 – Published: 2026-02-12 17:31 – Updated: 2026-02-12 18:19
VLAI
EPSS
VEX
Summary
Improper input validation within RAS TA Driver can allow a local attacker to access out-of-bounds memory, potentially resulting in a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD Radeon™ PRO VII |
Unaffected:
AMD Software: Adrenalin Edition 25.5.1 (23.19.23.01 pre-RDNA), AMD Software: PRO Edition 25.Q2 (23.19.23.01 pre-RDNA)
|
|
| AMD | AMD Radeon™ VII |
Unaffected:
AMD Software: Adrenalin Edition 25.5.1 (23.19.23.01 pre-RDNA), AMD Software: PRO Edition 25.Q2 (23.19.23.01 pre-RDNA)
|
Date Public
2026-02-12 17:31
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CVE-2023-20080 (GCVE-0-2023-20080)
Vulnerability from cvelistv5 – Published: 2023-03-23 00:00 – Updated: 2024-10-28 16:32
VLAI
EPSS
VEX
Title
Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulnerability
Summary
A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Date Public
2023-03-22 00:00
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CVE-2023-6298 (GCVE-0-2023-6298)
Vulnerability from cvelistv5 – Published: 2023-11-26 23:00 – Updated: 2025-02-13 17:26 Disputed
VLAI
EPSS
VEX
Title
Apryse iText PdfDocument.java main array index
Summary
A vulnerability classified as problematic was found in Apryse iText 8.0.2. This vulnerability affects the function main of the file PdfDocument.java. The manipulation leads to improper validation of array index. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The identifier of this vulnerability is VDB-246124. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. A statement published afterwards explains that the exception is not a vulnerability and the identified CWEs might not apply to the software.
Severity
4.3 (Medium)
4.3 (Medium)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.246124 | vdb-entrytechnical-description |
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| https://kb.itextpdf.com/itext/statement-regarding… | related |
Credits
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CVE-2023-2570 (GCVE-0-2023-2570)
Vulnerability from cvelistv5 – Published: 2023-06-14 07:52 – Updated: 2024-08-02 06:26
VLAI
EPSS
VEX
Summary
A CWE-129: Improper Validation of Array Index vulnerability exists that could cause local
denial-of-service, and potentially kernel execution when a malicious actor with local user access
crafts a script/program using an unpredictable index to an IOCTL call in the Foxboro.sys driver.
Severity
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Schneider Electric | EcoStruxure Foxboro DCS Control Core Services |
Affected:
All versions prior to patch HF9857795
|
Date Public
2023-06-13 07:45
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CVE-2023-2008 (GCVE-0-2023-2008)
Vulnerability from cvelistv5 – Published: 2023-04-14 00:00 – Updated: 2025-05-05 16:01
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel udmabuf device driver |
Affected:
Fixed in kernel v5.19-rc4
|
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CVE-2023-0950 (GCVE-0-2023-0950)
Vulnerability from cvelistv5 – Published: 2023-05-25 00:00 – Updated: 2025-04-23 16:21
VLAI
EPSS
VEX
Title
Array Index UnderFlow in Calc Formula Parsing
Summary
Improper Validation of Array Index vulnerability in the spreadsheet component of The Document Foundation LibreOffice allows an attacker to craft a spreadsheet document that will cause an array index underflow when loaded. In the affected versions of LibreOffice certain malformed spreadsheet formulas, such as AGGREGATE, could be created with less parameters passed to the formula interpreter than it expected, leading to an array index underflow, in which case there is a risk that arbitrary code could be executed. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.6; 7.5 versions prior to 7.5.1.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.libreoffice.org/about-us/security/adv… | |
| https://www.debian.org/security/2023/dsa-5415 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://security.gentoo.org/glsa/202311-15 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Document Foundation | LibreOffice |
Affected:
7.4 , < 7.4.6
(custom)
Affected: 7.5 , < 7.5.1 (custom) |
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CVE-2023-0755 (GCVE-0-2023-0755)
Vulnerability from cvelistv5 – Published: 2023-02-23 21:23 – Updated: 2025-01-16 21:55
VLAI
EPSS
VEX
Summary
The affected products are vulnerable to an improper validation of array index, which could allow an attacker to crash the server and remotely execute arbitrary code.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| PTC | ThingWorx Edge C-SDK |
Affected:
0 , ≤ v2.2.12.1052
(custom)
|
|
| Microsoft | .NET-SDK |
Affected:
0 , ≤ v5.8.4.971
(custom)
|
|
| PTC | ThingWorx Edge MicroServer (EMS) |
Affected:
0 , ≤ v5.4.10.0
(custom)
|
|
| PTC | Kepware KEPServerEX |
Affected:
0 , ≤ v6.12
(custom)
|
|
| PTC | ThingWorx Kepware Server |
Affected:
0 , ≤ v6.12
(custom)
|
|
| PTC | ThingWorx Industrial Connectivity |
Affected:
All Versions
|
|
| PTC | ThingWorx Kepware Edge |
Affected:
0 , ≤ v1.5
(custom)
|
|
| Rockwell Automation | KEPServer Enterprise |
Affected:
0 , ≤ v6.12
(custom)
|
|
| General Electric | Digital Industrial Gateway Server |
Affected:
0 , ≤ v7.612
(custom)
|
Date Public
2023-02-23 17:00
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CVE-2022-46152 (GCVE-0-2022-46152)
Vulnerability from cvelistv5 – Published: 2022-11-29 00:00 – Updated: 2025-04-22 15:59
VLAI
EPSS
VEX
Title
OP-TEE Trusted OS vulnerable to Improper Validation of Array Index in the cleanup_shm_refs function
Summary
OP-TEE Trusted OS is the secure side implementation of OP-TEE project, a Trusted Execution Environment. Versions prior to 3.19.0, contain an Improper Validation of Array Index vulnerability. The function `cleanup_shm_refs()` is called by both `entry_invoke_command()` and `entry_open_session()`. The commands `OPTEE_MSG_CMD_OPEN_SESSION` and `OPTEE_MSG_CMD_INVOKE_COMMAND` can be executed from the normal world via an OP-TEE SMC. This function is not validating the `num_params` argument, which is only limited to `OPTEE_MSG_MAX_NUM_PARAMS` (127) in the function `get_cmd_buffer()`. Therefore, an attacker in the normal world can craft an SMC call that will cause out-of-bounds reading in `cleanup_shm_refs` and potentially freeing of fake-objects in the function `mobj_put()`. A normal-world attacker with permission to execute SMC instructions may exploit this flaw. Maintainers believe this problem permits local privilege escalation from the normal world to the secure world. Version 3.19.0 contains a fix for this issue. There are no known workarounds.
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
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CVE-2022-40537 (GCVE-0-2022-40537)
Vulnerability from cvelistv5 – Published: 2023-03-07 04:43 – Updated: 2024-08-03 12:21
VLAI
EPSS
VEX
Title
Improper Validation of Array Index in Bluetooth HOST
Summary
Memory corruption in Bluetooth HOST while processing the AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT AVRCP response.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
APQ8009
Affected: APQ8009W Affected: APQ8017 Affected: APQ8064AU Affected: APQ8096AU Affected: AQT1000 Affected: AR8031 Affected: CSRA6620 Affected: CSRA6640 Affected: MDM9150 Affected: MDM9250 Affected: MDM9607 Affected: MDM9628 Affected: MDM9650 Affected: MSM8108 Affected: MSM8208 Affected: MSM8209 Affected: MSM8608 Affected: MSM8909W Affected: MSM8917 Affected: MSM8996AU Affected: QCA6174A Affected: QCA6310 Affected: QCA6320 Affected: QCA6335 Affected: QCA6390 Affected: QCA6391 Affected: QCA6420 Affected: QCA6426 Affected: QCA6430 Affected: QCA6436 Affected: QCA6564A Affected: QCA6564AU Affected: QCA6574 Affected: QCA6574A Affected: QCA6574AU Affected: QCA6584AU Affected: QCA6595AU Affected: QCA6696 Affected: QCA8337 Affected: QCA9377 Affected: QCC5100 Affected: QCM2290 Affected: QCM4290 Affected: QCM6125 Affected: QCM6490 Affected: QCN7606 Affected: QCN9011 Affected: QCN9012 Affected: QCN9074 Affected: QCS2290 Affected: QCS405 Affected: QCS410 Affected: QCS4290 Affected: QCS605 Affected: QCS610 Affected: QCS6125 Affected: QCS6490 Affected: QRB5165 Affected: QRB5165M Affected: QRB5165N Affected: Qualcomm215 Affected: SA6145P Affected: SA6150P Affected: SA6155P Affected: SA8145P Affected: SA8150P Affected: SA8155 Affected: SA8155P Affected: SA8195P Affected: SD 636 Affected: SD 675 Affected: SD 8 Gen1 5G Affected: SD205 Affected: SD210 Affected: SD429 Affected: SD439 Affected: SD450 Affected: SD460 Affected: SD480 Affected: SD625 Affected: SD626 Affected: SD632 Affected: SD660 Affected: SD662 Affected: SD665 Affected: SD670 Affected: SD675 Affected: SD678 Affected: SD680 Affected: SD690 5G Affected: SD695 Affected: SD710 Affected: SD720G Affected: SD730 Affected: SD750G Affected: SD765 Affected: SD765G Affected: SD768G Affected: SD778G Affected: SD780G Affected: SD835 Affected: SD845 Affected: SD855 Affected: SD865 5G Affected: SD870 Affected: SD888 Affected: SD888 5G Affected: SDM429W Affected: SDM630 Affected: SDW2500 Affected: SDX20 Affected: SDX20M Affected: SDX24 Affected: SDX50M Affected: SDX55 Affected: SDX55M Affected: SDXR1 Affected: SDXR2 5G Affected: SM4125 Affected: SM6250 Affected: SM7250P Affected: SM7315 Affected: SM7325P Affected: Snapdragon 4 Gen 1 Affected: SW5100 Affected: SW5100P Affected: SXR2150P Affected: WCD9326 Affected: WCD9335 Affected: WCD9340 Affected: WCD9341 Affected: WCD9370 Affected: WCD9375 Affected: WCD9380 Affected: WCD9385 Affected: WCN3610 Affected: WCN3615 Affected: WCN3620 Affected: WCN3660 Affected: WCN3660B Affected: WCN3680 Affected: WCN3680B Affected: WCN3910 Affected: WCN3950 Affected: WCN3980 Affected: WCN3988 Affected: WCN3990 Affected: WCN3991 Affected: WCN3998 Affected: WCN6740 Affected: WCN6750 Affected: WCN6850 Affected: WCN6851 Affected: WCN6855 Affected: WCN6856 Affected: WCN7850 Affected: WCN7851 Affected: WSA8810 Affected: WSA8815 Affected: WSA8830 Affected: WSA8835 |
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"status": "affected",
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"status": "affected",
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{
"status": "affected",
"version": "QCA6574AU"
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{
"status": "affected",
"version": "QCA6584AU"
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{
"status": "affected",
"version": "QCA6595AU"
},
{
"status": "affected",
"version": "QCA6696"
},
{
"status": "affected",
"version": "QCA8337"
},
{
"status": "affected",
"version": "QCA9377"
},
{
"status": "affected",
"version": "QCC5100"
},
{
"status": "affected",
"version": "QCM2290"
},
{
"status": "affected",
"version": "QCM4290"
},
{
"status": "affected",
"version": "QCM6125"
},
{
"status": "affected",
"version": "QCM6490"
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{
"status": "affected",
"version": "QCN7606"
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{
"status": "affected",
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"status": "affected",
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"status": "affected",
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"status": "affected",
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"status": "affected",
"version": "QCS405"
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{
"status": "affected",
"version": "QCS410"
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{
"status": "affected",
"version": "QCS4290"
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{
"status": "affected",
"version": "QCS605"
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{
"status": "affected",
"version": "QCS610"
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"status": "affected",
"version": "QCS6125"
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"status": "affected",
"version": "QCS6490"
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"status": "affected",
"version": "QRB5165"
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{
"status": "affected",
"version": "QRB5165M"
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{
"status": "affected",
"version": "QRB5165N"
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{
"status": "affected",
"version": "Qualcomm215"
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{
"status": "affected",
"version": "SA6145P"
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{
"status": "affected",
"version": "SA6150P"
},
{
"status": "affected",
"version": "SA6155P"
},
{
"status": "affected",
"version": "SA8145P"
},
{
"status": "affected",
"version": "SA8150P"
},
{
"status": "affected",
"version": "SA8155"
},
{
"status": "affected",
"version": "SA8155P"
},
{
"status": "affected",
"version": "SA8195P"
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{
"status": "affected",
"version": "SD 636"
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{
"status": "affected",
"version": "SD 675"
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"status": "affected",
"version": "SD 8 Gen1 5G"
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"status": "affected",
"version": "SD205"
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"status": "affected",
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"version": "SD662"
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"status": "affected",
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CVE-2022-40534 (GCVE-0-2022-40534)
Vulnerability from cvelistv5 – Published: 2023-09-05 06:23 – Updated: 2025-02-27 21:03
VLAI
EPSS
VEX
Title
Improper Validation of Array Index in Audio
Summary
Memory corruption due to improper validation of array index in Audio.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
FastConnect 6900
Affected: FastConnect 7800 Affected: Snapdragon W5+ Gen 1 Wearable Platform Affected: SW5100 Affected: SW5100P Affected: SXR2230P Affected: WCD9380 Affected: WCD9385 Affected: WSA8830 Affected: WSA8832 Affected: WSA8835 |
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Mitigation MIT-7
Architecture and Design
Strategy: Input Validation
Use an input validation framework such as Struts or the OWASP ESAPI Validation API. Note that using a framework does not automatically address all input validation problems; be mindful of weaknesses that could arise from misusing the framework itself (CWE-1173).
Mitigation MIT-15
Architecture and Design
- 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.
- Even though client-side checks provide minimal benefits with respect to server-side security, they are still useful. First, they can support intrusion detection. If the server receives input that should have been rejected by the client, then it may be an indication of an attack. Second, client-side error-checking can provide helpful feedback to the user about the expectations for valid input. Third, there may be a reduction in server-side processing time for accidental input errors, although this is typically a small savings.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, Ada allows the programmer to constrain the values of a variable and languages such as Java and Ruby will allow the programmer to handle exceptions when an out-of-bounds index is accessed.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- 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 MIT-12
Operation
Strategy: Environment Hardening
- 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 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.
- When accessing a user-controlled array index, use a stringent range of values that are within the target array. Make sure that you do not allow negative values to be used. That is, verify the minimum as well as the maximum of the range of acceptable values.
Mitigation MIT-35
Implementation
Be especially careful to validate all input when invoking code that crosses language boundaries, such as from an interpreted language to native code. This could create an unexpected interaction between the language boundaries. Ensure that you are not violating any of the expectations of the language with which you are interfacing. For example, even though Java may not be susceptible to buffer overflows, providing a large argument in a call to native code might trigger an overflow.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
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 MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- 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-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.