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gentoo-overlay/metadata/glsa/glsa-200407-20.xml

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200407-20">
<title>Subversion: Vulnerability in mod_authz_svn</title>
<synopsis>
Users with write access to parts of a Subversion repository may bypass read
restrictions in mod_authz_svn and read any part of the repository they
wish.
</synopsis>
<product type="ebuild">subversion</product>
<announced>2004-07-26</announced>
<revised>2006-05-22: 02</revised>
<bug>57747</bug>
<access>remote</access>
<affected>
<package name="dev-util/subversion" auto="yes" arch="*">
<unaffected range="ge">1.0.6</unaffected>
<vulnerable range="le">1.0.4-r1</vulnerable>
</package>
</affected>
<background>
<p>
Subversion is an advanced version control system, similar to CVS, which
supports additional functionality such as the ability to move, copy and
delete files and directories. A Subversion server may be run as an
Apache module, a standalone server (svnserve), or on-demand over ssh (a
la CVS' ":ext:" protocol). The mod_authz_svn Apache module works with
Subversion in Apache to limit access to parts of Subversion
repositories based on policy set by the administrator.
</p>
</background>
<description>
<p>
Users with write access to part of a Subversion repository may bypass
read restrictions on any part of that repository. This can be done
using an "svn copy" command to copy the portion of a repository the
user wishes to read into an area where they have write access.
</p>
<p>
Since copies are versioned, any such copy attempts will be readily
apparent.
</p>
</description>
<impact type="low">
<p>
This is a low-risk vulnerability. It affects only users of Subversion
who are running servers inside Apache and using mod_authz_svn.
Additionally, this vulnerability may be exploited only by users with
write access to some portion of a repository.
</p>
</impact>
<workaround>
<p>
Keep sensitive content separated into different Subversion
repositories, or disable the Apache Subversion server and use svnserve
instead.
</p>
</workaround>
<resolution>
<p>
All Subversion users should upgrade to the latest available version:
</p>
<code>
# emerge sync
# emerge -pv "&gt;=dev-util/subversion-1.0.6"
# emerve "&gt;=dev-util/subversion-1.0.6"</code>
</resolution>
<references>
<uri link="http://svn.collab.net/repos/svn/tags/1.0.6/CHANGES">ChangeLog for Subversion 1.0.6</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1438">CVE-2004-1438</uri>
</references>
<metadata tag="requester">
koon
</metadata>
<metadata tag="submitter">
condordes
</metadata>
</glsa>