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diff --git a/metadata/glsa/glsa-200806-07.xml b/metadata/glsa/glsa-200806-07.xml new file mode 100644 index 000000000000..a2aba493dc86 --- /dev/null +++ b/metadata/glsa/glsa-200806-07.xml @@ -0,0 +1,96 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200806-07"> + <title>X.Org X server: Multiple vulnerabilities</title> + <synopsis> + Multiple vulnerabilities have been discovered in the X.Org X server, + possibly allowing for the remote execution of arbitrary code with root + privileges. + </synopsis> + <product type="ebuild">xorg-server</product> + <announced>2008-06-19</announced> + <revised>2008-06-19: 01</revised> + <bug>225419</bug> + <access>remote, local</access> + <affected> + <package name="x11-base/xorg-server" auto="yes" arch="*"> + <unaffected range="ge">1.3.0.0-r6</unaffected> + <vulnerable range="lt">1.3.0.0-r6</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 + extensions via iDefense: + </p> + <ul> + <li>The + SProcSecurityGenerateAuthorization() and SProcRecordCreateContext() + functions of the RECORD and Security extensions are lacking proper + parameter validation (CVE-2008-1377).</li> + <li>An integer overflow is + possible in the function ShmPutImage() of the MIT-SHM extension + (CVE-2008-1379).</li> + <li>The RENDER extension contains several + possible integer overflows in the AllocateGlyph() function + (CVE-2008-2360) which could possibly lead to a heap-based buffer + overflow. Further possible integer overflows have been found in the + ProcRenderCreateCursor() function (CVE-2008-2361) as well as in the + SProcRenderCreateLinearGradient(), SProcRenderCreateRadialGradient() + and SProcRenderCreateConicalGradient() functions (CVE-2008-2362).</li> + </ul> + </description> + <impact type="high"> + <p> + Exploitation of these vulnerabilities could possibly lead to the remote + execution of arbitrary code with root privileges, if the server is + running as root, which is the default. It is also possible to crash the + server by making use of these vulnerabilities. + </p> + </impact> + <workaround> + <p> + It is possible to avoid these vulnerabilities by disabling the affected + server extensions. Therefore edit the configuration file + (/etc/X11/xorg.conf) to contain the following in the appropriate + places: + </p> + <code> + Section "Extensions" + Option "MIT-SHM" "disable" + Option "RENDER" "disable" + Option "SECURITY" "disable" + EndSection + + Section "Module" + Disable "record" + EndSection</code> + </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-r6"</code> + </resolution> + <references> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1377">CVE-2008-1377</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1379">CVE-2008-1379</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2360">CVE-2008-2360</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2361">CVE-2008-2361</uri> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2362">CVE-2008-2362</uri> + </references> + <metadata tag="submitter" timestamp="2008-06-11T10:16:02Z"> + vorlon + </metadata> + <metadata tag="bugReady" timestamp="2008-06-16T08:09:32Z"> + vorlon + </metadata> +</glsa> |