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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201611-20">
<title>TestDisk: User-assisted execution of arbitrary code</title>
<synopsis>A buffer overflow in TestDisk might allow remote attackers to
execute arbitrary code.
</synopsis>
<product type="ebuild">testdisk</product>
<announced>2016-11-22</announced>
<revised count="2">2016-11-22</revised>
<bug>548258</bug>
<access>local, remote</access>
<affected>
<package name="app-admin/testdisk" auto="yes" arch="*">
<unaffected range="ge">7.0-r2</unaffected>
<vulnerable range="lt">7.0-r2</vulnerable>
</package>
</affected>
<background>
<p>TestDisk is powerful free data recovery software! It was primarily
designed to help recover lost partitions and/or make non-booting disks
bootable again when these symptoms are caused by faulty software: certain
types of viruses or human error (such as accidentally deleting a
Partition Table). Partition table recovery using TestDisk is really easy.
</p>
</background>
<description>
<p>A buffer overflow can be triggered within TestDisk when a malicious disk
image is attempting to be recovered.
</p>
</description>
<impact type="normal">
<p>A remote attacker could coerce the victim to run TestDisk against their
malicious image. This may be leveraged by an attacker to crash TestDisk
and gain control of program execution.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All TestDisk users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-admin/testdisk-7.0-r2"
</code>
</resolution>
<references>
<uri link="http://www.security-assessment.com/files/documents/advisory/Testdisk%20Check_OS2MB%20Stack%20Buffer%20Overflow%20-%20Release.pdf">
TestDisk check_OS2MB Stack Buffer overflow
</uri>
</references>
<metadata tag="requester" timestamp="2015-04-30T18:55:08Z">K_F</metadata>
<metadata tag="submitter" timestamp="2016-11-22T11:59:23Z">b-man</metadata>
</glsa>