CVEvulnerability
CVE-2012-4436
4.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2012-10-22
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
Description
Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.
Affected configurations
• cipherdyne fwknop (<= 2.0.2)
• cipherdyne fwknop 2.0
• cipherdyne fwknop 2.0.1
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html Vendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc www.cipherdyne.org
- http://www.openwall.com/lists/oss-security/2012/09/19/2 www.openwall.com
- http://www.openwall.com/lists/oss-security/2012/09/20/4 www.openwall.com
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html Vendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc www.cipherdyne.org
- http://www.openwall.com/lists/oss-security/2012/09/19/2 www.openwall.com
- http://www.openwall.com/lists/oss-security/2012/09/20/4 www.openwall.com