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authorAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
committerAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200501-06">
+ <title>tiff: New overflows in image decoding</title>
+ <synopsis>
+ An integer overflow has been found in the TIFF library image decoding
+ routines and the tiffdump utility, potentially allowing arbitrary code
+ execution.
+ </synopsis>
+ <product type="ebuild">tiff</product>
+ <announced>January 05, 2005</announced>
+ <revised>January 05, 2005: 01</revised>
+ <bug>75213</bug>
+ <access>remote</access>
+ <affected>
+ <package name="media-libs/tiff" auto="yes" arch="*">
+ <unaffected range="ge">3.7.1-r1</unaffected>
+ <vulnerable range="lt">3.7.1-r1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ The TIFF library contains encoding and decoding routines for the
+ Tag Image File Format. It is called by numerous programs, including
+ GNOME and KDE applications, to interpret TIFF images.
+ </p>
+ </background>
+ <description>
+ <p>
+ infamous41md found a potential integer overflow in the directory
+ entry count routines of the TIFF library (CAN-2004-1308). Dmitry V.
+ Levin found another similar issue in the tiffdump utility
+ (CAN-2004-1183).
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could entice a user to view a carefully crafted
+ TIFF image file, which would potentially lead to execution of arbitrary
+ code with the rights of the user viewing the image. This affects any
+ program that makes use of the TIFF library, including many web browsers
+ or mail readers.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All TIFF library users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=media-libs/tiff-3.7.1-r1&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1183">CAN-2004-1183</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1308">CAN-2004-1308</uri>
+ <uri link="http://www.idefense.com/application/poi/display?id=174&amp;type=vulnerabilities">iDEFENSE Advisory</uri>
+ </references>
+ <metadata tag="submitter" timestamp="Mon, 3 Jan 2005 10:21:55 +0000">
+ koon
+ </metadata>
+ <metadata tag="bugReady" timestamp="Tue, 4 Jan 2005 14:07:42 +0000">
+ koon
+ </metadata>
+</glsa>