<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200408-10">
  <title>gv: Exploitable Buffer Overflow</title>
  <synopsis>
    gv contains an exploitable buffer overflow that allows an attacker to
    execute arbitrary code.
  </synopsis>
  <product type="ebuild">gv</product>
  <announced>August 12, 2004</announced>
  <revised>August 12, 2004: 01</revised>
  <bug>59385</bug>
  <access>remote</access>
  <affected>
    <package name="app-text/gv" auto="yes" arch="*">
      <unaffected range="ge">3.5.8-r4</unaffected>
      <vulnerable range="le">3.5.8-r3</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    gv is a PostScript and PDF viewer for X which provides a user interface for
    the ghostscript interpreter.
    </p>
  </background>
  <description>
    <p>
    gv contains a buffer overflow vulnerability where an unsafe sscanf() call
    is used to interpret PDF and PostScript files.
    </p>
  </description>
  <impact type="normal">
    <p>
    By enticing a user to view a malformed PDF or PostScript file an attacker
    could execute arbitrary code with the permissions of the user running gv.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time. All users are encouraged to
    upgrade to the latest available version of gv.
    </p>
  </workaround>
  <resolution>
    <p>
    All gv users should upgrade to the latest version:
    </p>
    <code>
    # emerge sync

    # emerge -pv ">=app-text/gv-3.5.8-r4"
    # emerge ">=app-text/gv-3.5.8-r4"</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0838">CAN-2002-0838</uri>
  </references>
  <metadata tag="requester" timestamp="Thu,  5 Aug 2004 09:15:36 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Sun,  8 Aug 2004 20:43:19 +0000">
    jaervosz
  </metadata>
</glsa>