glsa-200412-26.xml


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

<glsa id="200412-26">
  <title>ViewCVS: Information leak and XSS vulnerabilities</title>
  <synopsis>
    ViewCVS is vulnerable to an information leak and to cross-site scripting
    (XSS) issues.
  </synopsis>
  <product type="ebuild">ViewCVS</product>
  <announced>December 28, 2004</announced>
  <revised>December 28, 2004: 01</revised>
  <bug>72461</bug>
  <bug>73772</bug>
  <access>remote</access>
  <affected>
    <package name="www-apps/viewcvs" auto="yes" arch="*">
      <unaffected range="ge">0.9.2_p20041207-r1</unaffected>
      <vulnerable range="le">0.9.2_p20041207</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    ViewCVS is a browser interface for viewing CVS and Subversion
    version control repositories through a web browser.
    </p>
  </background>
  <description>
    <p>
    The tar export functions in ViewCVS bypass the 'hide_cvsroot' and
    'forbidden' settings and therefore expose information that should be
    kept secret (CAN-2004-0915). Furthermore, some error messages in
    ViewCVS do not filter user-provided information, making it vulnerable
    to a cross-site scripting attack (CAN-2004-1062).
    </p>
  </description>
  <impact type="low">
    <p>
    By using the tar export functions, a remote attacker could access
    information that is configured as restricted. Through the use of a
    malicious request, an attacker could also inject and execute malicious
    script code, potentially compromising another user's browser.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All ViewCVS users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=www-apps/viewcvs-0.9.2_p20041207-r1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0915">CAN-2004-0915</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1062">CAN-2004-1062</uri>
  </references>
  <metadata tag="submitter" timestamp="Tue, 21 Dec 2004 15:31:38 +0000">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="Tue, 28 Dec 2004 14:23:36 +0000">
    koon
  </metadata>
</glsa>