Add 'metadata/glsa/' from commit 'aacff3c55fb52643f95332002ecdb7d439b8e4df'

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diff --git a/metadata/glsa/glsa-200707-04.xml b/metadata/glsa/glsa-200707-04.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200707-04">
+  <title>GNU C Library: Integer overflow</title>
+  <synopsis>
+    An integer overflow in the dynamic loader, ld.so, could result in the
+    execution of arbitrary code with escalated privileges.
+  </synopsis>
+  <product type="ebuild">glibc</product>
+  <announced>July 03, 2007</announced>
+  <revised>July 03, 2007: 01</revised>
+  <bug>183844</bug>
+  <access>local</access>
+  <affected>
+    <package name="sys-libs/glibc" auto="yes" arch="x86">
+      <unaffected range="ge">2.5-r4</unaffected>
+      <vulnerable range="lt">2.5-r4</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    The GNU C library is the standard C library used by Gentoo Linux
+    systems. It provides programs with basic facilities and interfaces to
+    system calls. ld.so is the dynamic linker which prepares dynamically
+    linked programs for execution by resolving runtime dependencies and
+    related functions.
+    </p>
+  </background>
+  <description>
+    <p>
+    Tavis Ormandy of the Gentoo Linux Security Team discovered a flaw in
+    the handling of the hardware capabilities mask by the dynamic loader.
+    If a mask is specified with a high population count, an integer
+    overflow could occur when allocating memory.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    As the hardware capabilities mask is honored by the dynamic loader
+    during the execution of suid and sgid programs, in theory this
+    vulnerability could result in the execution of arbitrary code with root
+    privileges. This update is provided as a precaution against currently
+    unknown attack vectors.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    There is no known workaround at this time.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    All users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=sys-libs/glibc-2.5-r4&quot;</code>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3508">CVE-2007-3508</uri>
+  </references>
+  <metadata tag="submitter" timestamp="Sun, 01 Jul 2007 18:20:09 +0000">
+    taviso
+  </metadata>
+  <metadata tag="bugReady" timestamp="Tue, 03 Jul 2007 13:34:58 +0000">
+    taviso
+  </metadata>
+</glsa>