<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200505-07"> <title>libTIFF: Buffer overflow</title> <synopsis> The libTIFF library is vulnerable to a buffer overflow, potentially resulting in the execution of arbitrary code. </synopsis> <product type="ebuild">tiff</product> <announced>2005-05-10</announced> <revised count="02">2006-05-22</revised> <bug>91584</bug> <access>remote</access> <affected> <package name="media-libs/tiff" auto="yes" arch="*"> <unaffected range="ge">3.7.2</unaffected> <vulnerable range="lt">3.7.2</vulnerable> </package> </affected> <background> <p> libTIFF provides support for reading and manipulating TIFF (Tag Image File Format) images. </p> </background> <description> <p> Tavis Ormandy of the Gentoo Linux Security Audit Team discovered a stack based buffer overflow in the libTIFF library when reading a TIFF image with a malformed BitsPerSample tag. </p> </description> <impact type="normal"> <p> Successful exploitation would require the victim to open a specially crafted TIFF image, resulting in the execution of arbitrary code. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All libTIFF users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/tiff-3.7.2"</code> </resolution> <references> <uri link="http://bugzilla.remotesensing.org/show_bug.cgi?id=843">LIBTIFF BUG#863</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1544">CVE-2005-1544</uri> </references> <metadata tag="submitter" timestamp="2005-05-09T18:55:28Z"> taviso </metadata> <metadata tag="bugReady" timestamp="2005-05-10T20:03:29Z"> jaervosz </metadata> </glsa>