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().
CVE-2022-1890 (GCVE-0-2022-1890)
Vulnerability from cvelistv5 – Published: 2023-01-23 15:18 – Updated: 2025-04-01 19:51
VLAI
Summary
A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Severity
6.7 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Credits
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CVE-2022-1891 (GCVE-0-2022-1891)
Vulnerability from cvelistv5 – Published: 2023-01-23 15:25 – Updated: 2025-04-03 16:54
VLAI
Summary
A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Severity
6.7 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
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CVE-2022-1892 (GCVE-0-2022-1892)
Vulnerability from cvelistv5 – Published: 2023-01-23 15:31 – Updated: 2025-04-02 14:37
VLAI
Summary
A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Severity
6.7 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Credits
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CVE-2022-1920 (GCVE-0-2022-1920)
Vulnerability from cvelistv5 – Published: 2022-07-19 19:08 – Updated: 2024-08-03 00:17
VLAI
Summary
Integer overflow in matroskademux element in gst_matroska_demux_add_wvpk_header function which allows a heap overwrite while parsing matroska files. Potential for arbitrary code execution through heap overwrite.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/gstreamer/gstreame… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5204 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-1922 (GCVE-0-2022-1922)
Vulnerability from cvelistv5 – Published: 2022-07-19 19:09 – Updated: 2024-08-03 00:17
VLAI
Summary
DOS / potential heap overwrite in mkv demuxing using zlib decompression. Integer overflow in matroskademux element in gst_matroska_decompress_data function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/gstreamer/gstreame… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5204 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-1923 (GCVE-0-2022-1923)
Vulnerability from cvelistv5 – Published: 2022-07-19 19:13 – Updated: 2024-08-03 00:17
VLAI
Summary
DOS / potential heap overwrite in mkv demuxing using bzip decompression. Integer overflow in matroskademux element in bzip decompression function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/gstreamer/gstreame… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5204 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-1924 (GCVE-0-2022-1924)
Vulnerability from cvelistv5 – Published: 2022-07-19 19:13 – Updated: 2024-08-03 00:17
VLAI
Summary
DOS / potential heap overwrite in mkv demuxing using lzo decompression. Integer overflow in matroskademux element in lzo decompression function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/gstreamer/gstreame… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5204 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-1925 (GCVE-0-2022-1925)
Vulnerability from cvelistv5 – Published: 2022-07-19 19:10 – Updated: 2024-08-03 00:17
VLAI
Summary
DOS / potential heap overwrite in mkv demuxing using HEADERSTRIP decompression. Integer overflow in matroskaparse element in gst_matroska_decompress_data function which causes a heap overflow. Due to restrictions on chunk sizes in the matroskademux element, the overflow can't be triggered, however the matroskaparse element has no size checks.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.freedesktop.org/gstreamer/gstreame… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5204 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-1942 (GCVE-0-2022-1942)
Vulnerability from cvelistv5 – Published: 2022-05-31 00:00 – Updated: 2025-11-03 20:34
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/67ca4d3b-9175-43c1-925… | |
| https://github.com/vim/vim/commit/71223e2db87c2bf… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://support.apple.com/kb/HT213488 | |
| http://seclists.org/fulldisclosure/2022/Oct/41 | mailing-list |
| http://seclists.org/fulldisclosure/2022/Oct/28 | mailing-list |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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CVE-2022-2061 (GCVE-0-2022-2061)
Vulnerability from cvelistv5 – Published: 2022-06-13 11:30 – Updated: 2024-08-03 00:24
VLAI
Title
Heap-based Buffer Overflow in hpjansson/chafa
Summary
Heap-based Buffer Overflow in GitHub repository hpjansson/chafa prior to 1.12.0.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/365ab61f-9a63-421c-97e… | x_refsource_CONFIRM |
| https://github.com/hpjansson/chafa/commit/e6ce374… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hpjansson | hpjansson/chafa |
Affected:
unspecified , < 1.12.0
(custom)
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Mitigation
Phases:
Description:
- Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
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-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
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Strategy: Libraries or Frameworks
Description:
- Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Phase: Operation
Description:
- Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
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.