<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200705-10"> <title>LibXfont, TightVNC: Multiple vulnerabilities</title> <synopsis> Multiple vulnerabilities have been reported in libXfont and TightVNC, allowing for the execution of arbitrary code with root privileges. </synopsis> <product type="ebuild">tightvnc, libxfont</product> <announced>2007-05-08</announced> <revised count="01">2007-05-08</revised> <bug>172575</bug> <bug>174200</bug> <access>local</access> <affected> <package name="net-misc/tightvnc" auto="yes" arch="*"> <unaffected range="ge">1.2.9-r4</unaffected> <vulnerable range="lt">1.2.9-r4</vulnerable> </package> <package name="x11-libs/libXfont" auto="yes" arch="*"> <unaffected range="ge">1.2.7-r1</unaffected> <vulnerable range="lt">1.2.7-r1</vulnerable> </package> </affected> <background> <p> LibXfont is the X.Org font library. TightVNC is a VNC client/server for X displays. </p> </background> <description> <p> The libXfont code is prone to several integer overflows, in functions ProcXCMiscGetXIDList(), bdfReadCharacters() and FontFileInitTable(). TightVNC contains a local copy of this code and is also affected. </p> </description> <impact type="high"> <p> A local attacker could use a specially crafted BDF Font to gain root privileges on the vulnerable host. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All libXfont users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.7-r1"</code> <p> All TightVNC users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/tightvnc-1.2.9-r4"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1003">CVE-2007-1003</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1351">CVE-2007-1351</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1352">CVE-2007-1352</uri> </references> <metadata tag="requester" timestamp="2007-04-17T09:12:59Z"> jaervosz </metadata> <metadata tag="bugReady" timestamp="2007-04-23T12:11:04Z"> vorlon </metadata> <metadata tag="submitter" timestamp="2007-04-26T19:02:32Z"> p-y </metadata> </glsa>