CVE-2012-4436
MEDIUM · CVSS 4.4EPSS 0.7%EU EUVD
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.
Key facts
- CVSS score
- 4.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 0.7% (52th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4370)
- Published
- October 22, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4370 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.
View on the EU Vulnerability DatabaseAffected products
- cipherdyne / fwknop
- cipherdyne / fwknop
- cipherdyne / fwknop
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
- http://www.openwall.com/lists/oss-security/2012/09/19/2
- http://www.openwall.com/lists/oss-security/2012/09/20/4
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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