<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200903-17"> <title>Real VNC: User-assisted execution of arbitrary code</title> <synopsis> The Real VNC client is vulnerable to execution of arbitrary code when connecting to a malicious server. </synopsis> <product type="ebuild">vnc</product> <announced>2009-03-09</announced> <revised count="01">2009-03-09</revised> <bug>255225</bug> <access>remote</access> <affected> <package name="net-misc/vnc" auto="yes" arch="*"> <unaffected range="ge">4.1.3</unaffected> <vulnerable range="lt">4.1.3</vulnerable> </package> </affected> <background> <p> Real VNC is a remote desktop viewer display system. </p> </background> <description> <p> An unspecified vulnerability has been discovered int the CMsgReader::readRect() function in the VNC Viewer component, related to the encoding type of RFB protocol data. </p> </description> <impact type="normal"> <p> A remote attacker could entice a user to connect to a malicious VNC server, or leverage Man-in-the-Middle attacks, to cause the execution of arbitrary code with the privileges of the user running the VNC viewer. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Real VNC users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/vnc-4.1.3"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4770">CVE-2008-4770</uri> </references> <metadata tag="requester" timestamp="2009-01-28T00:30:00Z"> keytoaster </metadata> <metadata tag="submitter" timestamp="2009-02-12T16:35:19Z"> rbu </metadata> <metadata tag="bugReady" timestamp="2009-02-12T16:35:29Z"> rbu </metadata> </glsa>