Vulnerability Assessment & Network Security Forums

If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200603-18] Pngcrush: Buffer overflow

Vulnerability Assessment Details

[GLSA-200603-18] Pngcrush: Buffer overflow

Vulnerability Assessment Summary
Pngcrush: Buffer overflow

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200603-18
(Pngcrush: Buffer overflow)

Carsten Lohrke of Gentoo Linux reported that Pngcrush contains a
vulnerable version of zlib (GLSA 200507-19).

Impact

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

Workaround

There is no known workaround at this time.

References:
http://www.gentoo.org/security/en/glsa/glsa-200507-19.xml
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1849

Solution:
All Pngcrush users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/pngcrush-1.6.2"

Network Security Threat Level: Medium

Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

Cables, Connectors