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Netpbm: Buffer overflow in pnmtopng

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200510-18 / Netpbm
Release Date October 20, 2005
Latest Revision May 28, 2009: 06
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-libs/netpbm < 10.29 >= 10.29, revision >= 10.26.32, revision >= 10.26.33, revision >= 10.26.42, revision >= 10.26.43, revision >= 10.26.44, revision >= 10.26.48, revision >= 10.26.49, revision >= 10.26.52, revision >= 10.26.53, revision >= 10.26.59, revision >= 10.26.61 All supported architectures

Related bugreports: #109705

Synopsis

The pnmtopng utility, part of the Netpbm tools, contains a vulnerability which can potentially result in the execution of arbitrary code.

2.  Impact Information

Background

Netpbm is a package of 220 graphics programs and a programming library, including pnmtopng, a tool to convert PNM image files to the PNG format.

Description

RedHat reported that pnmtopng is vulnerable to a buffer overflow.

Impact

An attacker could craft a malicious PNM file and entice a user to run pnmtopng on it, potentially resulting in the execution of arbitrary code with the permissions of the user running pnmtopng.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Netpbm users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose media-libs/netpbm

4.  References



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Page updated October 20, 2005

Summary: This is a Gentoo Linux Security Advisory

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