[ GLSA 200608-07 ] libTIFF: Multiple vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: libTIFF: Multiple vulnerabilities (GLSA 200608-07)
Severity: normal
Exploitable: remote
Date: August 04, 2006
Bug(s): #142383
ID: 200608-07

Synopsis

libTIFF contains several vulnerabilities that could result in arbitrary code execution.

Background

libTIFF provides support for reading and manipulating TIFF images.

Affected Packages

Package: media-libs/tiff
Vulnerable: < 3.8.2-r2
Unaffected: >= 3.8.2-r2
Architectures: All supported architectures


Description

Tavis Ormandy of the Google Security Team discovered several heap and stack buffer overflows and other flaws in libTIFF. The affected parts include the TIFFFetchShortPair(), TIFFScanLineSize() and EstimateStripByteCounts() functions, and the PixarLog and NeXT RLE decoders.

Impact

A remote attacker could entice a user to open a specially crafted TIFF file, resulting in the possible execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All libTIFF users should upgrade to the latest version: