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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200512-18">
+  <title>XnView: Privilege escalation</title>
+  <synopsis>
+    XnView may search for shared libraries in an untrusted location,
+    potentially allowing local users to execute arbitrary code with the
+    privileges of another user.
+  </synopsis>
+  <product type="ebuild">xnview</product>
+  <announced>December 30, 2005</announced>
+  <revised>May 22, 2006: 02</revised>
+  <bug>117063</bug>
+  <access>local</access>
+  <affected>
+    <package name="x11-misc/xnview" auto="yes" arch="x86">
+      <unaffected range="ge">1.70-r1</unaffected>
+      <vulnerable range="lt">1.70-r1</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    XnView is an efficient multimedia viewer, browser and converter,
+    distributed free for non-commercial use.
+    </p>
+  </background>
+  <description>
+    <p>
+    Krzysiek Pawlik of Gentoo Linux discovered that the XnView package for
+    IA32 used the DT_RPATH field insecurely, causing the dynamic loader to
+    search for shared libraries in potentially untrusted directories.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    A local attacker could create a malicious shared object that would be
+    loaded and executed when a user attempted to use an XnView utility.
+    This would allow a malicious user to effectively hijack XnView and
+    execute arbitrary code with the privileges of the user running the
+    program.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    The system administrator may use the chrpath utility to remove the
+    DT_RPATH field from the XnView utilities:
+    </p>
+    <code>
+    # emerge app-admin/chrpath
+    # chrpath --delete /opt/bin/nconvert /opt/bin/nview /opt/bin/xnview</code>
+  </workaround>
+  <resolution>
+    <p>
+    All XnView users on the x86 platform should upgrade to the latest
+    version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=x11-misc/xnview-1.70-r1&quot;</code>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4595">CVE-2005-4595</uri>
+  </references>
+  <metadata tag="submitter" timestamp="Thu, 29 Dec 2005 17:05:23 +0000">
+    taviso
+  </metadata>
+  <metadata tag="bugReady" timestamp="Fri, 30 Dec 2005 12:33:06 +0000">
+    koon
+  </metadata>
+</glsa>