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70 lines
2.2 KiB
70 lines
2.2 KiB
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
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<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200707-06">
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<title>XnView: Stack-based buffer overflow</title>
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<synopsis>
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XnView is vulnerable to a stack-based buffer overflow and possible remote
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code execution when handling XPM image files.
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</synopsis>
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<product type="ebuild">xnview</product>
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<announced>July 11, 2007</announced>
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<revised>July 11, 2007: 01</revised>
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<bug>175670</bug>
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<access>remote</access>
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<affected>
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<package name="x11-misc/xnview" auto="yes" arch="x86">
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<vulnerable range="lt">1.70</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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XnView is software to view and convert graphics files. XPixMap (XPM) is
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a simple ascii-based graphics format.
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</p>
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</background>
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<description>
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<p>
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XnView is vulnerable to a stack-based buffer overflow while processing
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an XPM file with an overly long section string (greater than 1024
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bytes).
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</p>
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</description>
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<impact type="normal">
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<p>
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An attacker could entice a user to view a specially crafted XPM file
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with XnView that could trigger the vulnerability and possibly execute
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arbitrary code with the rights of the user running XnView.
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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No update appears to be forthcoming from the XnView developer and
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XnView is proprietary, so the XnView package has been masked in
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Portage. We recommend that users select an alternate graphics viewer
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and conversion utility, and unmerge XnView:
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</p>
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<code>
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# emerge --unmerge xnview</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2194">CVE-2007-2194</uri>
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</references>
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<metadata tag="requester" timestamp="Sun, 01 Jul 2007 10:38:47 +0000">
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jaervosz
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</metadata>
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<metadata tag="submitter" timestamp="Mon, 02 Jul 2007 18:12:51 +0000">
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aetius
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</metadata>
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<metadata tag="bugReady" timestamp="Wed, 11 Jul 2007 19:39:42 +0000">
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DerCorny
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</metadata>
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</glsa>
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