GLSA-200804-02 : bzip2: Denial of Service

This script is Copyright (C) 2008-2014 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-200804-02
(bzip2: Denial of Service)

The Oulu University discovered that bzip2 does not properly check
offsets provided by the bzip2 file, leading to a buffer overread.

Impact :

Remote attackers can entice a user or automated system to open a
specially crafted file that triggers a buffer overread, causing a
Denial of Service. libbz2 and programs linking against it are also
affected.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200804-02.xml

Solution :

All bzip2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/bzip2-1.0.5'

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 31753 (gentoo_GLSA-200804-02.nasl)

Bugtraq ID:

CVE ID: CVE-2008-1372