<?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>