69 lines
2.1 KiB
XML
69 lines
2.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
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<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200709-11">
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<title>GDM: Local Denial of Service</title>
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<synopsis>
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GDM can be crashed by a local user, preventing it from managing future
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displays.
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</synopsis>
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<product type="ebuild">gdm</product>
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<announced>September 18, 2007</announced>
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<revised>September 18, 2007: 01</revised>
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<bug>187919</bug>
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<access>local</access>
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<affected>
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<package name="gnome-base/gdm" auto="yes" arch="*">
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<unaffected range="ge">2.18.4</unaffected>
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<unaffected range="rge">2.16.7</unaffected>
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<vulnerable range="lt">2.18.4</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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GDM is the GNOME display manager.
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</p>
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</background>
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<description>
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<p>
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The result of a g_strsplit() call is incorrectly parsed in the files
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daemon/gdm.c, daemon/gdmconfig.c, gui/gdmconfig.c and
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gui/gdmflexiserver.c, allowing for a null pointer dereference.
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</p>
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</description>
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<impact type="low">
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<p>
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A local user could send a crafted message to /tmp/.gdm_socket that
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would trigger the null pointer dereference and crash GDM, thus
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preventing it from managing future displays.
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</p>
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</impact>
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<workaround>
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<p>
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Restrict the write permissions on /tmp/.gdm_socket to trusted users
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only after each GDM restart.
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</p>
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</workaround>
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<resolution>
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<p>
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All GDM users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose "gnome-base/gdm"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3381">CVE-2007-3381</uri>
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</references>
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<metadata tag="requester" timestamp="Wed, 15 Aug 2007 05:40:23 +0000">
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jaervosz
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</metadata>
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<metadata tag="bugReady" timestamp="Wed, 15 Aug 2007 05:40:36 +0000">
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jaervosz
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</metadata>
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<metadata tag="submitter" timestamp="Mon, 20 Aug 2007 09:31:53 +0000">
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falco
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</metadata>
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</glsa>
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