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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200407-20">
<title>Subversion: Vulnerability in mod_authz_svn</title>
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
<product type="ebuild">subversion</product>
<announced>July 26, 2004</announced>
<revised>May 22, 2006: 02</revised>
<package name="dev-util/subversion" auto="yes" arch="*">
<unaffected range="ge">1.0.6</unaffected>
<vulnerable range="le">1.0.4-r1</vulnerable>
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.
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.
Since copies are versioned, any such copy attempts will be readily
<impact type="low">
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.
Keep sensitive content separated into different Subversion
repositories, or disable the Apache Subversion server and use svnserve
All Subversion users should upgrade to the latest available version:
# emerge sync
# emerge -pv &quot;&gt;=dev-util/subversion-1.0.6&quot;
# emerve &quot;&gt;=dev-util/subversion-1.0.6&quot;</code>
<uri link="">ChangeLog for Subversion 1.0.6</uri>
<uri link="">CVE-2004-1438</uri>
<metadata tag="requester">
<metadata tag="submitter">