Common Weakness Enumeration
CWE-805
AllowedBuffer Access with Incorrect Length Value
Abstraction: Base · Status: Incomplete
The product uses a sequential operation to read or write a buffer, but it uses an incorrect length value that causes it to access memory that is outside of the bounds of the buffer.
86 vulnerabilities reference this CWE, most recent first.
CVE-2024-0131 (GCVE-0-2024-0131)
Vulnerability from cvelistv5 – Published: 2025-02-02 00:15 – Updated: 2025-02-03 17:03
VLAI
EPSS
VEX
Summary
NVIDIA GPU kernel driver for Windows and Linux contains a vulnerability where a potential user-mode attacker could read a buffer with an incorrect length. A successful exploit of this vulnerability might lead to denial of service.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NVIDIA GPU Display Driver, vGPU software |
Affected:
R535, R550, R560, R565, R570
|
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CVE-2023-20049 (GCVE-0-2023-20049)
Vulnerability from cvelistv5 – Published: 2023-03-09 00:00 – Updated: 2024-10-28 16:33
VLAI
EPSS
VEX
Title
Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection Denial of Service Vulnerability
Summary
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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 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
n/a
|
Date Public
2023-03-08 00:00
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CVE-2023-5396 (GCVE-0-2023-5396)
Vulnerability from cvelistv5 – Published: 2024-04-17 16:37 – Updated: 2024-08-02 07:59
VLAI
EPSS
VEX
Summary
Server receiving a malformed message creates connection for a hostname that may cause a stack overflow resulting in possible remote code execution. See Honeywell Security Notification for recommendations on upgrading and versioning.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://process.honeywell.com |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Honeywell | Experion Server |
Affected:
520.2 , ≤ 520.2 TCU4
(semver)
Affected: 510.1 , ≤ 510.2 HF13 (semver) Affected: 520.1 , ≤ 520.1 TCU4 (semver) Affected: 511.1 , ≤ 511.5 TCU4 HF3 (semver) |
|
| Honeywell | Experion Server |
Affected:
520.2 , ≤ 520.2 TCU4
(semver)
Affected: 511.1 , ≤ 511.5 TCU4 HF3 (semver) Affected: 520.1 , ≤ 520.1 TCU4 (semver) |
|
| Honeywell | Experion Server |
Affected:
520.2 , ≤ 520.2 TCU4
(semver)
Affected: 520.1 , ≤ 520.1 TCU4 (semver) Affected: 520.2 TCU4 HFR2 , ≤ 511.5 TCU4 HF3 (semver) |
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CVE-2022-47375 (GCVE-0-2022-47375)
Vulnerability from cvelistv5 – Published: 2023-12-12 11:25 – Updated: 2024-08-03 14:55
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle long file names correctly.
This could allow an attacker to create a buffer overflow and create a denial of service condition for the device.
Severity
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
1 reference
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC PC-Station Plus |
Affected:
All versions
|
|
| Siemens | SIMATIC S7-400 CPU 412-2 PN V7 |
Affected:
All versions
|
|
| Siemens | SIMATIC S7-400 CPU 414-3 PN/DP V7 |
Affected:
All versions
|
|
| Siemens | SIMATIC S7-400 CPU 414F-3 PN/DP V7 |
Affected:
All versions
|
|
| Siemens | SIMATIC S7-400 CPU 416-3 PN/DP V7 |
Affected:
All versions
|
|
| Siemens | SIMATIC S7-400 CPU 416F-3 PN/DP V7 |
Affected:
All versions
|
|
| Siemens | SINAMICS S120 (incl. SIPLUS variants) |
Affected:
All versions < V5.2 SP3 HF15
|
|
| Siemens | SIPLUS S7-400 CPU 414-3 PN/DP V7 |
Affected:
All versions
|
|
| Siemens | SIPLUS S7-400 CPU 416-3 PN/DP V7 |
Affected:
All versions
|
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CVE-2022-34399 (GCVE-0-2022-34399)
Vulnerability from cvelistv5 – Published: 2023-01-18 11:20 – Updated: 2025-04-03 18:06
VLAI
EPSS
VEX
Summary
Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability. A malicious user with admin privileges could potentially exploit this vulnerability by sending input larger than expected in order to leak certain sections of SMRAM.
Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00020532… | vendor-advisory |
Date Public
2022-11-15 17:00
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CVE-2022-0519 (GCVE-0-2022-0519)
Vulnerability from cvelistv5 – Published: 2022-02-08 20:25 – Updated: 2024-08-02 23:32
VLAI
EPSS
VEX
Title
Buffer Access with Incorrect Length Value in radareorg/radare2
Summary
Buffer Access with Incorrect Length Value in GitHub repository radareorg/radare2 prior to 5.6.2.
Severity
6.3 (Medium)
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/af85b9e1-d1cf-4c0e-ba1… | x_refsource_CONFIRM |
| https://github.com/radareorg/radare2/commit/6c442… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| radareorg | radareorg/radare2 |
Affected:
unspecified , < 5.6.2
(custom)
|
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CVE-2021-31885 (GCVE-0-2021-31885)
Vulnerability from cvelistv5 – Published: 2021-11-09 11:31 – Updated: 2024-08-03 23:10
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.1), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). TFTP server application allows for reading the contents of the TFTP memory buffer via sending malformed TFTP commands. (FSMD-2021-0009)
Severity
No CVSS data available.
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
28 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) |
Affected:
All versions
|
|
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) |
Affected:
All versions
|
|
| Siemens | APOGEE MEC (PPC) (BACnet) |
Affected:
All versions
|
|
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) |
Affected:
All versions
|
|
| Siemens | APOGEE PXC Compact (BACnet) |
Affected:
All versions < V3.5.4
|
|
| Siemens | APOGEE PXC Compact (P2 Ethernet) |
Affected:
All versions < V2.8.19
|
|
| Siemens | APOGEE PXC Modular (BACnet) |
Affected:
All versions < V3.5.4
|
|
| Siemens | APOGEE PXC Modular (P2 Ethernet) |
Affected:
All versions < V2.8.19
|
|
| Siemens | Desigo PXC00-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC00-U |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC001-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC100-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC12-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC128-U |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC200-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC22-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC22.1-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC36.1-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC50-E.D |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXC64-U |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Desigo PXM20-E |
Affected:
All versions >= V2.3 and < V6.30.016
|
|
| Siemens | Nucleus NET |
Affected:
All versions
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
All versions < V2017.02.4
|
|
| Siemens | Nucleus ReadyStart V4 |
Affected:
All versions < V4.1.1
|
|
| Siemens | Nucleus Source Code |
Affected:
All versions
|
|
| Siemens | PLUSCONTROL 1st Gen |
Affected:
All versions
|
|
| Siemens | TALON TC Compact (BACnet) |
Affected:
All versions < V3.5.4
|
|
| Siemens | TALON TC Modular (BACnet) |
Affected:
All versions < V3.5.4
|
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CVE-2021-3581 (GCVE-0-2021-3581)
Vulnerability from cvelistv5 – Published: 2021-10-05 20:50 – Updated: 2024-09-16 19:05
VLAI
EPSS
VEX
Title
Buffer Access with Incorrect Length Value in zephyr
Summary
Buffer Access with Incorrect Length Value in zephyr. Zephyr versions >= >=2.5.0 contain Buffer Access with Incorrect Length Value (CWE-805). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8q65-5gqf-fmw5
Severity
CWE
- CWE-805 - Buffer Access with Incorrect Length Value (CWE-805)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| http://github.com/zephyrproject-rtos/zephyr/secur… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject-rtos | zephyr |
Affected:
>=2.5.0 , < unspecified
(custom)
|
Date Public
2021-09-04 00:00
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CVE-2020-16101 (GCVE-0-2020-16101)
Vulnerability from cvelistv5 – Published: 2020-09-15 13:25 – Updated: 2024-08-04 13:37
VLAI
EPSS
VEX
Summary
It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service due to an out-of-bounds buffer access. Affected versions are v8.20 prior to v8.20.1166(MR3), v8.10 prior to v8.10.1211(MR5), v8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier.
Severity
7.5 (High)
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.gallagher.com/Security-Advisorie… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gallagher | Command Centre |
Affected:
unspecified , ≤ 7.90
(custom)
Affected: 8.20 , < 8.20.1166 (MR3) (custom) Affected: 8.10 , < 8.10.1211 (MR5) (custom) Affected: 8.00 , < 8.00.1228 (MR6) (custom) |
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CVE-2020-14509 (GCVE-0-2020-14509)
Vulnerability from cvelistv5 – Published: 2020-09-16 19:39 – Updated: 2024-08-04 12:46
VLAI
EPSS
VEX
Summary
Multiple memory corruption vulnerabilities exist in CodeMeter (All versions prior to 7.10) where the packet parser mechanism does not verify length fields. An attacker could send specially crafted packets to exploit these vulnerabilities.
Severity
No CVSS data available.
CWE
- CWE-805 - BUFFER ACCESS WITH INCORRECT LENGTH VALUE CWE-805
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-203-01 | x_refsource_MISC |
Impacted products
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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, 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 MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- 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 MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- 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 MIT-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- 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 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.
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-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 product 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.
CAPEC-256: SOAP Array Overflow
An attacker sends a SOAP request with an array whose actual length exceeds the length indicated in the request. If the server processing the transmission naively trusts the specified size, then an attacker can intentionally understate the size of the array, possibly resulting in a buffer overflow if the server attempts to read the entire data set into the memory it allocated for a smaller array.