Unrated severityNVD Advisory· Published Oct 22, 2012· Updated Apr 29, 2026

CVE-2012-4436

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 products

Cipherdyne/Fwknop3 versions
cpe:2.3:a:cipherdyne:fwknop:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:cipherdyne:fwknop:*:*:*:*:*:*:*:*range: <=2.0.2
- cpe:2.3:a:cipherdyne:fwknop:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:cipherdyne:fwknop:2.0.1:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.htmlnvdVendor Advisory
www.cipherdyne.org/cgi-bin/gitweb.cginvd
www.openwall.com/lists/oss-security/2012/09/19/2nvd
www.openwall.com/lists/oss-security/2012/09/20/4nvd

News mentions

No linked articles in our index yet.

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