GLSA-200602-08 : libtasn1, GNU TLS: Security flaw in DER decoding

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-200602-08
(libtasn1, GNU TLS: Security flaw in DER decoding)

Evgeny Legerov has reported a flaw in the DER decoding routines
provided by libtasn1, which could cause an out of bounds access to
occur.

Impact :

A remote attacker could cause an application using libtasn1 to
crash and potentially execute arbitrary code by sending specially
crafted input.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200602-08.xml

Solution :

All libtasn1 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libtasn1-0.2.18'
All GNU TLS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/gnutls-1.2.10'

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: 20934 (gentoo_GLSA-200602-08.nasl)

Bugtraq ID:

CVE ID: CVE-2006-0645