Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
5243 vulnerabilities reference this CWE, most recent first.
CVE-2021-44165 (GCVE-0-2021-44165)
Vulnerability from cvelistv5 – Published: 2021-12-14 12:06 – Updated: 2024-08-04 04:17
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution.
Severity
No CVSS data available.
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | POWER METER SICAM Q100 |
Affected:
All versions < V2.41
|
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CVE-2021-44158 (GCVE-0-2021-44158)
Vulnerability from cvelistv5 – Published: 2022-01-03 10:10 – Updated: 2024-09-16 16:52
VLAI
EPSS
VEX
Title
ASUS RT-AX56U Router - Stack-based buffer overflow
Summary
ASUS RT-AX56U Wi-Fi Router is vulnerable to stack-based buffer overflow due to improper validation for httpd parameter length. An authenticated local area network attacker can launch arbitrary code execution to control the system or disrupt service.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-5431-d23be-1.html | x_refsource_MISC |
Date Public
2022-01-03 00:00
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CVE-2021-43983 (GCVE-0-2021-43983)
Vulnerability from cvelistv5 – Published: 2021-12-13 15:48 – Updated: 2024-09-17 01:26
VLAI
EPSS
VEX
Title
WECON LeviStudioU
Summary
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
15 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WECON | LeviStudioU |
Affected:
All , ≤ 2019-09-21
(custom)
|
Date Public
2021-12-09 00:00
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CVE-2021-43982 (GCVE-0-2021-43982)
Vulnerability from cvelistv5 – Published: 2021-12-09 21:36 – Updated: 2024-09-16 17:08
VLAI
EPSS
VEX
Title
Delta Electronics CNCSoft
Summary
Delta Electronics CNCSoft Versions 1.01.30 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Delta Electronics | CNCSoft |
Affected:
All , ≤ 1.01.30
(custom)
|
Date Public
2021-11-30 00:00
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CVE-2021-43556 (GCVE-0-2021-43556)
Vulnerability from cvelistv5 – Published: 2021-12-28 18:17 – Updated: 2024-09-16 20:01
VLAI
EPSS
VEX
Title
FATEK Automation WinProladder
Summary
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 | 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 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| FATEK Automation | WinProladder |
Affected:
All , ≤ 3.30_24518
(custom)
|
Date Public
2021-11-16 00:00
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CVE-2021-43301 (GCVE-0-2021-43301)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Summary
Stack overflow in PJSUA API when calling pjsua_playlist_create. An attacker-controlled 'file_names' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
Impacted products
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CVE-2021-43300 (GCVE-0-2021-43300)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Summary
Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
Impacted products
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CVE-2021-43299 (GCVE-0-2021-43299)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Summary
Stack overflow in PJSUA API when calling pjsua_player_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
Impacted products
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CVE-2021-42756 (GCVE-0-2021-42756)
Vulnerability from cvelistv5 – Published: 2023-02-16 18:05 – Updated: 2024-10-23 14:49
VLAI
EPSS
VEX
Summary
Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Execute unauthorized code or commands
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiWeb |
Affected:
6.4.0 , ≤ 6.4.1
(semver)
Affected: 6.3.0 , ≤ 6.3.16 (semver) Affected: 6.2.0 , ≤ 6.2.6 (semver) Affected: 6.1.0 , ≤ 6.1.2 (semver) Affected: 6.0.0 , ≤ 6.0.7 (semver) Affected: 5.9.0 , ≤ 5.9.1 (semver) Affected: 5.8.5 , ≤ 5.8.7 (semver) Affected: 5.8.0 , ≤ 5.8.3 (semver) Affected: 5.7.0 , ≤ 5.7.3 (semver) Affected: 5.6.0 , ≤ 5.6.2 (semver) Affected: 5.8.0 , < 5.8.* (semver) Affected: 5.7.0 , < 5.7.* (semver) Affected: 5.6.0 , < 5.6.* (semver) |
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CVE-2021-42705 (GCVE-0-2021-42705)
Vulnerability from cvelistv5 – Published: 2021-11-22 19:06 – Updated: 2024-09-16 20:01
VLAI
EPSS
VEX
Title
WECON PLC Editor
Summary
PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WECON | PLC Editor |
Affected:
All , ≤ 1.3.8
(custom)
|
Date Public
2021-11-11 00:00
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"assignerShortName": "icscert",
"cveId": "CVE-2021-42705",
"datePublished": "2021-11-22T19:06:36.383Z",
"dateReserved": "2021-10-18T00:00:00.000Z",
"dateUpdated": "2024-09-16T20:01:34.731Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.