CVE-2012-4436

Published: Oct 22, 2012Modified: Apr 29, 2026

4.4

Vector

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

Exploitability: 3.4 / Impact: 6.4

Source: NVD

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 (3)

Products: Cipherdyne: Fwknop

Cipherdyne

1 product

Fwknop

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Cipherdyne Fwknop	Up to 2.0.2
Cipherdyne Fwknop	Version 2.0.1
Cipherdyne Fwknop	Version 2.0

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (8)

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

Source: secalert@redhat.com

Vendor Advisory

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.