<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200809-01">
  <title>yelp: User-assisted execution of arbitrary code</title>
  <synopsis>
    A vulnerability in yelp can lead to the execution of arbitrary code when
    opening a URI, for example through Firefox.
  </synopsis>
  <product type="ebuild">yelp</product>
  <announced>2008-09-04</announced>
  <revised count="01">2008-09-04</revised>
  <bug>234079</bug>
  <access>remote</access>
  <affected>
    <package name="gnome-extra/yelp" auto="yes" arch="*">
      <unaffected range="ge">2.22.1-r2</unaffected>
      <unaffected range="rge">2.20.0-r1</unaffected>
      <vulnerable range="lt">2.22.1-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    yelp is the default help browser for GNOME.
    </p>
  </background>
  <description>
    <p>
    Aaron Grattafiori reported a format string vulnerability in the
    window_error() function in yelp-window.c.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker can entice a user to open specially crafted "man:" or
    "ghelp:" URIs in yelp, or an application using yelp such as Firefox or
    Evolution, and execute arbitrary code with the privileges of that user.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All yelp users running GNOME 2.22 should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=gnome-extra/yelp-2.22.1-r2"</code>
    <p>
    All yelp users running GNOME 2.20 should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=gnome-extra/yelp-2.20.0-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3533">CVE-2008-3533</uri>
  </references>
  <metadata tag="requester" timestamp="2008-08-15T14:25:26Z">
    rbu
  </metadata>
  <metadata tag="submitter" timestamp="2008-08-19T23:34:23Z">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="2008-08-19T23:34:31Z">
    rbu
  </metadata>
</glsa>
