libTIFF: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200605-17 / libtiff
Release Date	May 30, 2006
Latest Revision	May 30, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-libs/tiff	< 3.8.1	>= 3.8.1	All supported architectures

Related bugreports: #129675

Synopsis

Multiple vulnerabilities in libTIFF could lead to the execution of arbitrary code or a Denial of Service.

2. Impact Information

Background

libTIFF provides support for reading and manipulating TIFF images.

Description

Multiple vulnerabilities, ranging from integer overflows and NULL pointer dereferences to double frees, were reported in libTIFF.

Impact

An attacker could exploit these vulnerabilities by enticing a user to open a specially crafted TIFF image, possibly leading to the execution of arbitrary code or a Denial of Service.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All libTIFF users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/tiff-3.8.1"

4. References

Page updated May 30, 2006

Summary: This is a Gentoo Linux Security Advisory

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