CVE-2012-4436

high

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.

References

http://www.openwall.com/lists/oss-security/2012/09/20/4

http://www.openwall.com/lists/oss-security/2012/09/19/2

http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc

http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html

Details

Source: Mitre, NVD

Published: 2012-10-22

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.0018

Detections

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