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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200409-21">
+  <title>Apache 2, mod_dav: Multiple vulnerabilities</title>
+  <synopsis>
+    Several vulnerabilities have been found in Apache 2 and mod_dav for Apache
+    1.3 which could allow a remote attacker to cause a Denial of Service or a
+    local user to get escalated privileges.
+  </synopsis>
+  <product type="ebuild">apache</product>
+  <announced>September 16, 2004</announced>
+  <revised>December 30, 2007: 02</revised>
+  <bug>62626</bug>
+  <bug>63948</bug>
+  <bug>64145</bug>
+  <access>remote</access>
+  <affected>
+    <package name="www-servers/apache" auto="yes" arch="*">
+      <unaffected range="ge">2.0.51</unaffected>
+      <unaffected range="lt">2.0</unaffected>
+      <vulnerable range="lt">2.0.51</vulnerable>
+    </package>
+    <package name="net-www/mod_dav" auto="yes" arch="*">
+      <unaffected range="ge">1.0.3-r2</unaffected>
+      <vulnerable range="le">1.0.3-r1</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    The Apache HTTP server is one of most popular web servers on the internet.
+    mod_ssl provides SSL v2/v3 and TLS v1 support for it and mod_dav is the
+    Apache module for Distributed Authoring and Versioning (DAV).
+    </p>
+  </background>
+  <description>
+    <p>
+    A potential infinite loop has been found in the input filter of mod_ssl
+    (CAN-2004-0748) as well as a possible segmentation fault in the
+    char_buffer_read function if reverse proxying to a SSL server is being used
+    (CAN-2004-0751). Furthermore, mod_dav, as shipped in Apache httpd 2 or
+    mod_dav 1.0.x for Apache 1.3, contains a NULL pointer dereference which can
+    be triggered remotely (CAN-2004-0809). The third issue is an input
+    validation error found in the IPv6 URI parsing routines within the apr-util
+    library (CAN-2004-0786). Additionally a possible buffer overflow has been
+    reported when expanding environment variables during the parsing of
+    configuration files (CAN-2004-0747).
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    A remote attacker could cause a Denial of Service either by aborting a SSL
+    connection in a special way, resulting in CPU consumption, by exploiting
+    the segmentation fault in mod_ssl or the mod_dav flaw. A remote attacker
+    could also crash a httpd child process by sending a specially crafted URI.
+    The last vulnerabilty could be used by a local user to gain the privileges
+    of a httpd child, if the server parses a carefully prepared .htaccess file.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    There is no known workaround at this time.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    All Apache 2 users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge sync
+
+    # emerge -pv ">=www-servers/apache-2.0.51"
+    # emerge ">=www-servers/apache-2.0.51"</code>
+    <p>
+    All mod_dav users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge sync
+
+    # emerge -pv ">=net-www/mod_dav-1.0.3-r2"
+    # emerge ">=net-www/mod_dav-1.0.3-r2"</code>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0747">CAN-2004-0747</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0748">CAN-2004-0748</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0751">CAN-2004-0751</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0786">CAN-2004-0786</uri>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0809">CAN-2004-0809</uri>
+  </references>
+  <metadata tag="requester" timestamp="Thu,  9 Sep 2004 04:54:03 +0000">
+    jaervosz
+  </metadata>
+  <metadata tag="submitter" timestamp="Fri, 10 Sep 2004 18:02:25 +0000">
+    vorlon078
+  </metadata>
+  <metadata tag="bugReady" timestamp="Thu, 16 Sep 2004 20:45:09 +0000">
+    koon
+  </metadata>
+</glsa>