RHEL 4 : zlib (RHSA-2005:584)

This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.

Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated zlib packages that fix a buffer overflow are now available for
Red Hat Enterprise Linux 4.

This update has been rated as having important security impact by the
Red Hat Security Response Team.

Zlib is a general-purpose lossless data compression library that is
used by many different programs.

A previous zlib update, RHSA-2005:569 (CVE-2005-2096) fixed a flaw in
zlib that could allow a carefully crafted compressed stream to crash
an application. While the original patch corrected the reported
overflow, Markus Oberhumer discovered additional ways a stream could
trigger an overflow. An attacker could create a carefully crafted
compressed stream that would cause an application to crash if the
stream is opened by a user. As an example, an attacker could create a
malicious PNG image file that would cause a Web browser or mail viewer
to crash if the image is viewed. The Common Vulnerabilities and
Exposures project (cve.mitre.org) assigned the name CVE-2005-1849 to
this issue.

Note that the versions of zlib shipped with Red Hat Enterprise Linux
2.1 and 3 are not vulnerable to this issue.

All users should update to these errata packages that contain a patch
from Mark Adler that corrects this issue.

See also :


Solution :

Update the affected zlib and / or zlib-devel packages.

Risk factor :

Medium / CVSS Base Score : 5.0

Family: Red Hat Local Security Checks

Nessus Plugin ID: 19284 ()

Bugtraq ID:

CVE ID: CVE-2005-1849

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