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diff --git a/metadata/glsa/glsa-200801-09.xml b/metadata/glsa/glsa-200801-09.xml new file mode 100644 index 000000000000..ae7322263a34 --- /dev/null +++ b/metadata/glsa/glsa-200801-09.xml @@ -0,0 +1,103 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200801-09"> + <title>X.Org X server and Xfont library: Multiple vulnerabilities</title> + <synopsis> + Multiple vulnerabilities have been discovered in the X.Org X server and + Xfont library, allowing for a local privilege escalation and arbitrary code + execution. + </synopsis> + <product type="ebuild">xorg-server libXfont</product> + <announced>2008-01-20</announced> + <revised count="03">2008-03-05</revised> + <bug>204362</bug> + <bug>208343</bug> + <access>remote, local</access> + <affected> + <package name="x11-base/xorg-server" auto="yes" arch="*"> + <unaffected range="ge">1.3.0.0-r5</unaffected> + <vulnerable range="lt">1.3.0.0-r5</vulnerable> + </package> + <package name="x11-libs/libXfont" auto="yes" arch="*"> + <unaffected range="ge">1.3.1-r1</unaffected> + <vulnerable range="lt">1.3.1-r1</vulnerable> + </package> + </affected> + <background> + <p> + The X Window System is a graphical windowing system based on a + client/server model. + </p> + </background> + <description> + <p> + regenrecht reported multiple vulnerabilities in various X server + extension via iDefense: + </p> + <ul> + <li>The XFree86-Misc extension does not properly sanitize a parameter + within a PassMessage request, allowing the modification of a function + pointer (CVE-2007-5760).</li> + <li>Multiple functions in the XInput extension do not properly sanitize + client requests for swapping bytes, leading to corruption of heap + memory (CVE-2007-6427).</li> + <li>Integer overflow vulnerabilities in the EVI extension and in the + MIT-SHM extension can lead to buffer overflows (CVE-2007-6429).</li> + <li>The TOG-CUP extension does not sanitize an index value in the + ProcGetReservedColormapEntries() function, leading to arbitrary memory + access (CVE-2007-6428).</li> + <li>A buffer overflow was discovered in the Xfont library when + processing PCF font files (CVE-2008-0006).</li> + <li>The X server does not enforce restrictions when a user specifies a + security policy file and attempts to open it (CVE-2007-5958).</li> + </ul> + </description> + <impact type="high"> + <p> + Remote attackers could exploit the vulnerability in the Xfont library + by enticing a user to load a specially crafted PCF font file resulting + in the execution of arbitrary code with the privileges of the user + running the X server, typically root. Local attackers could exploit + this and the vulnerabilities in the X.org extensions to gain elevated + privileges. If the X server allows connections from the network, these + vulnerabilities could be exploited remotely. A local attacker could + determine the existence of arbitrary files by exploiting the last + vulnerability or possibly cause a Denial of Service. + </p> + </impact> + <workaround> + <p> + Workarounds for some of the vulnerabilities can be found in the X.Org + security advisory as listed under References. + </p> + </workaround> + <resolution> + <p> + All X.Org X server users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.3.0.0-r5"</code> + <p> + All X.Org Xfont library users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.3.1-r1"</code> + </resolution> + <references> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5760">CVE-2007-5760</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5958">CVE-2007-5958</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6427">CVE-2007-6427</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6428">CVE-2007-6428</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6429">CVE-2007-6429</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0006">CVE-2008-0006</uri> + <uri link="https://lists.freedesktop.org/archives/xorg/2008-January/031918.html">X.Org security advisory</uri> + </references> + <metadata tag="submitter" timestamp="2008-01-05T02:03:56Z"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="2008-01-17T15:57:38Z"> + p-y + </metadata> +</glsa> |