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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201612-36">
<title>TigerVNC: Integer overflow</title>
<synopsis>An integer overflow in TigerVNC might allow remote attackers to
execute
arbitrary code.
</synopsis>
<product type="ebuild">tigervnc</product>
<announced>2016-12-13</announced>
<revised count="2">2016-12-13</revised>
<bug>534714</bug>
<access>remote</access>
<affected>
<package name="net-misc/tigervnc" auto="yes" arch="*">
<unaffected range="ge">1.4.2</unaffected>
<vulnerable range="lt">1.4.2</vulnerable>
</package>
</affected>
<background>
<p>TigerVNC is a high-performance VNC server/client.</p>
</background>
<description>
<p>TigerVNC is impacted by the same vulnerability as found in
CVE-2014-6051. An integer overflow, leading to a heap-based buffer
overflow, was found in the way screen sizes were handled.
</p>
</description>
<impact type="normal">
<p>A remote attacker, utilizing a malicious VNC server, could execute
arbitrary code with the privileges of the user running the client, or
cause a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All TigerVNC users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/tigervnc-1.4.2"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6051">CVE-2014-6051</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8240">CVE-2014-8240</uri>
</references>
<metadata tag="requester" timestamp="2016-11-29T21:39:43Z">whissi</metadata>
<metadata tag="submitter" timestamp="2016-12-13T06:59:26Z">whissi</metadata>
</glsa>
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