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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200706-09">
+ <title>libexif: Buffer overflow</title>
+ <synopsis>
+ libexif does not properly handle image EXIF information, possibly allowing
+ for the execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">libexif</product>
+ <announced>2007-06-26</announced>
+ <revised count="01">2007-06-26</revised>
+ <bug>181922</bug>
+ <access>remote</access>
+ <affected>
+ <package name="media-libs/libexif" auto="yes" arch="*">
+ <unaffected range="ge">0.6.16</unaffected>
+ <vulnerable range="lt">0.6.16</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ libexif is a library for parsing, editing and saving EXIF metadata from
+ images.
+ </p>
+ </background>
+ <description>
+ <p>
+ iDefense Labs have discovered that the exif_data_load_data_entry()
+ function in libexif/exif-data.c improperly handles integer data while
+ working with an image with many EXIF components, allowing an integer
+ overflow possibly leading to a heap-based buffer overflow.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ An attacker could entice a user of an application making use of a
+ vulnerable version of libexif to load a specially crafted image file,
+ possibly resulting in a crash of the application or the execution of
+ arbitrary code with the rights of the user running the application.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All libexif users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=media-libs/libexif-0.6.16"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4168">CVE-2006-4168</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-06-16T06:17:21Z">
+ jaervosz
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-06-16T06:17:44Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-06-19T02:58:18Z">
+ shellsage
+ </metadata>
+</glsa>