Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
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().
4111 vulnerabilities reference this CWE, most recent first.
CVE-2020-11061 (GCVE-0-2020-11061)
Vulnerability from cvelistv5 – Published: 2020-07-10 19:25 – Updated: 2024-08-04 11:21
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in Bareos Director
Summary
In Bareos Director less than or equal to 16.2.10, 17.2.9, 18.2.8, and 19.2.7, a heap overflow allows a malicious client to corrupt the director's memory via oversized digest strings sent during initialization of a verify job. Disabling verify jobs mitigates the problem. This issue is also patched in Bareos versions 19.2.8, 18.2.9 and 17.2.10.
Severity
6 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bareos/bareos/security/advisor… | x_refsource_CONFIRM |
| https://bugs.bareos.org/view.php?id=1210 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bareos GmbH & Co. KG | Bareos Director |
Affected:
<= 16.2.10
Affected: <= 17.2.9 Affected: <= 18.2.8 Affected: <= 19.2.7 |
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CVE-2020-10928 (GCVE-0-2020-10928)
Vulnerability from cvelistv5 – Published: 2020-07-28 17:10 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9767.
Severity
8.4 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2020-10896 (GCVE-0-2020-10896)
Vulnerability from cvelistv5 – Published: 2020-04-22 20:50 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.7.1.29511. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects in PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-10192.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PhantomPDF |
Affected:
9.7.1.29511
|
Credits
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CVE-2020-10646 (GCVE-0-2020-10646)
Vulnerability from cvelistv5 – Published: 2020-04-13 18:50 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
Fuji Electric V-Server Lite all versions prior to 4.0.9.0 contains a heap based buffer overflow. The buffer allocated to read data, when parsing VPR files, is too small.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-098-04 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Fuji Electric V-Server Lite all versions prior to 4.0.9.0 |
Affected:
Fuji Electric V-Server Lite all versions prior to 4.0.9.0
|
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CVE-2020-10638 (GCVE-0-2020-10638)
Vulnerability from cvelistv5 – Published: 2020-05-08 11:49 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-128-01 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Advantech WebAccess Node |
Affected:
WebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0
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CVE-2020-10064 (GCVE-0-2020-10064)
Vulnerability from cvelistv5 – Published: 2021-05-24 21:40 – Updated: 2024-09-16 21:03
VLAI
EPSS
VEX
Title
Improper Input Frame Validation in ieee802154 Processing
Summary
Improper Input Frame Validation in ieee802154 Processing. Zephyr versions >= v1.14.2, >= v2.2.0 contain Stack-based Buffer Overflow (CWE-121), Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3gvq-h42f-v3c7
Severity
8.3 (High)
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:
v1.14.2 , < unspecified
(custom)
Affected: v2.2.0 , < unspecified (custom) |
Date Public
2020-06-29 00:00
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CVE-2020-8899 (GCVE-0-2020-8899)
Vulnerability from cvelistv5 – Published: 2020-05-06 16:25 – Updated: 2024-09-17 03:38
VLAI
EPSS
VEX
Title
Memory corruption in Quram library when decoding qmg can lead to RCE
Summary
There is a buffer overwrite vulnerability in the Quram qmg library of Samsung's Android OS versions O(8.x), P(9.0) and Q(10.0). An unauthenticated, unauthorized attacker sending a specially crafted MMS to a vulnerable phone can trigger a heap-based buffer overflow in the Quram image codec leading to an arbitrary remote code execution (RCE) without any user interaction. The Samsung ID is SVE-2020-16747.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb | x_refsource_CONFIRM |
| https://bugs.chromium.org/p/project-zero/issues/d… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/157620/Samsu… | x_refsource_MISC |
| https://www.kb.cert.org/vuls/id/366027 | third-party-advisoryx_refsource_CERT-VN |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung | Android OS |
Affected:
9.0
(custom)
Affected: 10.0 (custom) Affected: 8.0 (custom) |
Date Public
2020-05-05 14:00
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CVE-2020-7852 (GCVE-0-2020-7852)
Vulnerability from cvelistv5 – Published: 2021-03-24 21:10 – Updated: 2024-09-17 01:36
VLAI
EPSS
VEX
Title
DaviewIndy Heap Overflow Vulnerabilities
Summary
DaviewIndy has a Heap-based overflow vulnerability, triggered when the user opens a malformed ex.j2c format file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.krcert.or.kr/krcert/secNoticeView.do?… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HumanTalk | DaviewIndy |
Affected:
unspecified , < 9.0 or lower
(custom)
|
Date Public
2021-03-23 00:00
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CVE-2020-7829 (GCVE-0-2020-7829)
Vulnerability from cvelistv5 – Published: 2020-07-30 13:27 – Updated: 2024-08-04 09:41
VLAI
EPSS
VEX
Title
DaviewIndy Heap-based Buffer Overflow Vulnerability
Summary
DaviewIndy 8.98.4 and earlier version contain Heap-based overflow vulnerability, triggered when the user opens a malformed specific file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.boho.or.kr/krcert/secNoticeView.do?bu… | x_refsource_MISC |
Impacted products
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CVE-2020-7828 (GCVE-0-2020-7828)
Vulnerability from cvelistv5 – Published: 2020-07-30 13:30 – Updated: 2024-08-04 09:41
VLAI
EPSS
VEX
Title
DaviewIndy Heap-based Buffer Overflow Vulnerability
Summary
DaviewIndy 8.98.4 and earlier version contain Heap-based overflow vulnerability, triggered when the user opens a malformed specific file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
Severity
7.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.boho.or.kr/krcert/secNoticeView.do?bu… | x_refsource_MISC |
Impacted products
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"dataVersion": "5.1"
}
Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
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-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
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
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.