GLSA-200610-05 : CAPI4Hylafax fax receiver: Execution of arbitrary code

This script is Copyright (C) 2006-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200610-05
(CAPI4Hylafax fax receiver: Execution of arbitrary code)

Lionel Elie Mamane discovered an error in c2faxrecv, which doesn't
properly sanitize TSI strings when handling incoming calls.

Impact :

A remote attacker can send null (\\0) and shell metacharacters in the
TSI string from an anonymous fax number, leading to the execution of
arbitrary code with the rights of the user running c2faxrecv.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200610-05.xml

Solution :

All CAPI4Hylafax users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/capi4hylafax-01.03.00.99.300.3-r1'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 22891 (gentoo_GLSA-200610-05.nasl)

Bugtraq ID:

CVE ID: CVE-2006-3126