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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200601-17">
<title>Xpdf, Poppler, GPdf, libextractor, pdftohtml: Heap overflows</title>
<synopsis>
Xpdf, Poppler, GPdf, libextractor and pdftohtml are vulnerable to integer
overflows that may be exploited to execute arbitrary code.
</synopsis>
<product type="ebuild">xpdf poppler gpdf libextractor pdftohtml</product>
<announced>January 30, 2006</announced>
<revised>January 30, 2006: 01</revised>
<bug>117481</bug>
<bug>117494</bug>
<bug>117495</bug>
<bug>115789</bug>
<bug>118665</bug>
<access>remote</access>
<affected>
<package name="app-text/xpdf" auto="yes" arch="*">
<unaffected range="ge">3.01-r5</unaffected>
<vulnerable range="lt">3.01-r5</vulnerable>
</package>
<package name="app-text/poppler" auto="yes" arch="*">
<unaffected range="ge">0.4.3-r4</unaffected>
<vulnerable range="lt">0.4.3-r4</vulnerable>
</package>
<package name="app-text/gpdf" auto="yes" arch="*">
<unaffected range="ge">2.10.0-r3</unaffected>
<vulnerable range="lt">2.10.0-r3</vulnerable>
</package>
<package name="media-libs/libextractor" auto="yes" arch="*">
<unaffected range="ge">0.5.9</unaffected>
<vulnerable range="lt">0.5.9</vulnerable>
</package>
<package name="app-text/pdftohtml" auto="yes" arch="*">
<vulnerable range="lt">0.36-r4</vulnerable>
</package>
</affected>
<background>
<p>
Xpdf is a PDF file viewer that runs under the X Window System.
Poppler is a PDF rendering library based on the Xpdf 3.0 code base.
GPdf is a PDF file viewer for the GNOME 2 platform, also based on Xpdf.
libextractor is a library which includes Xpdf code to extract arbitrary
meta-data from files. pdftohtml is a utility to convert PDF files to
HTML or XML formats that makes use of Xpdf code to decode PDF files.
</p>
</background>
<description>
<p>
Chris Evans has reported some integer overflows in Xpdf when
attempting to calculate buffer sizes for memory allocation, leading to
a heap overflow and a potential infinite loop when handling malformed
input files.
</p>
</description>
<impact type="normal">
<p>
By sending a specially crafted PDF file to a victim, an attacker
could cause an overflow, potentially resulting in the execution of
arbitrary code with the privileges of the user running the application.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Xpdf users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/xpdf-3.01-r5"</code>
<p>
All Poppler users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/poppler-0.4.3-r4"</code>
<p>
All GPdf users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/gpdf-2.10.0-r3"</code>
<p>
All libextractor users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libextractor-0.5.9"</code>
<p>
All pdftohtml users should migrate to the latest stable version
of Poppler.
</p>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3627">CVE-2005-3627</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3626">CVE-2005-3626</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3625">CVE-2005-3625</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3624">CVE-2005-3624</uri>
</references>
<metadata tag="requester" timestamp="Mon, 16 Jan 2006 22:04:57 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Tue, 17 Jan 2006 03:14:48 +0000">
adir
</metadata>
<metadata tag="bugReady" timestamp="Sun, 29 Jan 2006 17:26:11 +0000">
jaervosz
</metadata>
</glsa>
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