glsa-200409-35.xml


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

<glsa id="200409-35">
  <title>Subversion: Metadata information leak</title>
  <synopsis>
    An information leak in mod_authz_svn could allow sensitive metadata of
    protected areas to be leaked to unauthorized users.
  </synopsis>
  <product type="ebuild">Subversion</product>
  <announced>September 29, 2004</announced>
  <revised>September 29, 2004: 01</revised>
  <bug>65085</bug>
  <access>remote</access>
  <affected>
    <package name="dev-util/subversion" auto="yes" arch="*">
      <unaffected range="ge">1.0.8</unaffected>
      <vulnerable range="lt">1.0.8</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Subversion is a versioning system designed to be a replacement for CVS.
    mod_authz_svn is an Apache module to do path-based authentication for
    Subversion repositories.
    </p>
  </background>
  <description>
    <p>
    There is a bug in mod_authz_svn that causes it to reveal logged metadata
    regarding commits to protected areas.
    </p>
  </description>
  <impact type="low">
    <p>
    Protected files themselves will not be revealed, but an attacker could use
    the metadata to reveal the existence of protected areas, such as paths,
    file versions, and the commit logs from those areas.
    </p>
  </impact>
  <workaround>
    <p>
    Rather than using mod_authz_svn, move protected areas into seperate
    repositories and use native Apache authentication to make these
    repositories unreadable.
    </p>
  </workaround>
  <resolution>
    <p>
    All Subversion users should upgrade to the latest version:
    </p>
    <code>
    # emerge sync

    # emerge -pv ">=dev-util/subversion-1.0.8"
    # emerge ">=dev-util/subversion-1.0.8"</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0749">CAN-2004-0749</uri>
    <uri link="http://subversion.tigris.org/security/CAN-2004-0749-advisory.txt">Subversion Advisory</uri>
  </references>
  <metadata tag="requester" timestamp="Mon, 27 Sep 2004 08:34:50 +0000">
    jaervosz
  </metadata>
  <metadata tag="submitter" timestamp="Mon, 27 Sep 2004 23:33:38 +0000">
    dmargoli
  </metadata>
  <metadata tag="bugReady" timestamp="Wed, 29 Sep 2004 19:12:44 +0000">
    koon
  </metadata>
</glsa>