GLSA-200507-19 : zlib: Buffer overflow

This script is Copyright (C) 2005-2014 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-200507-19
(zlib: Buffer overflow)

zlib improperly handles invalid data streams which could lead to a
buffer overflow.

Impact :

By creating a specially crafted compressed data stream, attackers
can overwrite data structures for applications that use zlib, resulting
in arbitrary code execution or a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

http://www.nessus.org/u?504d4570
http://www.gentoo.org/security/en/glsa/glsa-200507-19.xml

Solution :

All zlib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-libs/zlib-1.2.3'

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 19281 (gentoo_GLSA-200507-19.nasl)

Bugtraq ID:

CVE ID: CVE-2005-1849