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