CWE-121
Stack-based Buffer Overflow
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).
CVE-2021-34827 (GCVE-0-2021-34827)
Vulnerability from cvelistv5 – Published: 2021-07-15 17:35 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the SOAPAction HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12029.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34830 (GCVE-0-2021-34830)
Vulnerability from cvelistv5 – Published: 2021-07-15 17:35 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the Cookie HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12028.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34861 (GCVE-0-2021-34861)
Vulnerability from cvelistv5 – Published: 2021-10-25 17:10 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the webproc endpoint, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12104.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://supportannouncement.us.dlink.com/announce… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Credits
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CVE-2021-34862 (GCVE-0-2021-34862)
Vulnerability from cvelistv5 – Published: 2021-10-25 17:10 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13270.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://supportannouncement.us.dlink.com/announce… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34863 (GCVE-0-2021-34863)
Vulnerability from cvelistv5 – Published: 2021-10-25 17:10 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:page parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13271.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://supportannouncement.us.dlink.com/announce… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34892 (GCVE-0-2021-34892)
Vulnerability from cvelistv5 – Published: 2022-01-13 21:43 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 parsing of JT files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14845.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.bentley.com/en/common-vulnerability-e… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34925 (GCVE-0-2021-34925)
Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 parsing of JT files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14903.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.bentley.com/en/common-vulnerability-e… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Credits
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CVE-2021-34941 (GCVE-0-2021-34941)
Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 parsing of JT files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15040.
Severity
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.bentley.com/en/common-vulnerability-e… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34978 (GCVE-0-2021-34978)
Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. A crafted SOAP request can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13511.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://kb.netgear.com/000064258/Security-Advisor… | x_refsource_MISC |
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CVE-2021-34980 (GCVE-0-2021-34980)
Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. When parsing the SOAP_LOGIN_TOKEN environment variable, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14107.
Severity
8.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://kb.netgear.com/000064262/Security-Advisor… | x_refsource_MISC |
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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
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Description:
- Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.