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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201707-08">
<title>feh: Arbitrary remote code execution</title>
<synopsis>A vulnerability in feh might allow remote attackers to execute
arbitrary code.
</synopsis>
<product type="ebuild">feh</product>
<announced>2017-07-08</announced>
<revised count="2">2017-08-06</revised>
<bug>616470</bug>
<access>remote</access>
<affected>
<package name="media-gfx/feh" auto="yes" arch="*">
<unaffected range="ge">2.18.3</unaffected>
<vulnerable range="lt">2.18.3</vulnerable>
</package>
</affected>
<background>
<p>feh is an X11 image viewer aimed mostly at console users.</p>
</background>
<description>
<p>Tobias Stoeckmann discovered it was possible to trigger an
out-of-boundary heap write with the image viewer feh while receiving an
IPC message.
</p>
</description>
<impact type="normal">
<p>A remote attacker, pretending to be the E17 window manager, could
possibly trigger an out-of-boundary heap write in feh while receiving an
IPC message. This could result in execution of arbitrary code with the
privileges of the process or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All feh users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/feh-2.18.3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7875">CVE-2017-7875</uri>
</references>
<metadata tag="requester" timestamp="2017-05-05T00:04:28Z">BlueKnight</metadata>
<metadata tag="submitter" timestamp="2017-08-06T11:09:29Z">whissi</metadata>
</glsa>
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