Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

BID:11243

Info

Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

Bugtraq ID: 11243
Class: Access Validation Error
CVE: CVE-2004-0749
Remote: Yes
Local: No
Published: Sep 23 2004 12:00AM
Updated: Jul 12 2009 07:06AM
Credit: This vulnerability was disclosed by the vendor.
Vulnerable: Subversion Subversion 1.1 .0-rc3
Subversion Subversion 1.1 .0-rc2
Subversion Subversion 1.1 .0-rc1
Subversion Subversion 1.0.7
Subversion Subversion 1.0.6
Subversion Subversion 1.0.5
Subversion Subversion 1.0.4
Subversion Subversion 1.0.3
Subversion Subversion 1.0.2
Subversion Subversion 1.0.1
Subversion Subversion 1.0
Gentoo Linux 1.4 _rc3
Gentoo Linux 1.4 _rc2
Gentoo Linux 1.4 _rc1
Gentoo Linux 1.4
Gentoo Linux 1.2
Gentoo Linux 1.1 a
Gentoo Linux 0.7
Gentoo Linux 0.5
Not Vulnerable: Subversion Subversion 1.1 .0-rc4
Subversion Subversion 1.0.8

Discussion

Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

It is reported that Subversions mod_authz_svn module is susceptible to an information disclosure vulnerability.

This vulnerability is presents itself when paths that are marked as unreadable are accessed by particular Subversion client commands. It is reportedly possible to disclose the existence of files that are inaccessible to users. Under certain circumstances it may also be possible to disclose commit log messages, or even the contents of files that are configured to be inaccessible to users.

This vulnerability is reported to exist in versions prior to 1.0.8 and 1.1.0-rc4.

Exploit / POC

Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

An exploit is not required.

Solution / Fix

Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

Solution:
The vendor has released versions 1.0.8 and 1.1.0-rc4 addressing this vulnerability.

Gentoo has released an advisory (GLSA 200409-35) and an updated eBuild to address this issue. Gentoo users are advised to issue the following sequence of commands in order to install the updates:
emerge sync
emerge -pv ">=dev-util/subversion-1.0.8"
emerge ">=dev-util/subversion-1.0.8"

RedHat has released an advisory (FEDORA-2004-318) to address this issue in Fedora Core 2. Please see the referenced advisory for more information.

Conectiva Linux has released advisory CLA-2004:883 along with fixes dealing with this issue. Please see the referenced advisory for more information.


Subversion Subversion 1.0

Subversion Subversion 1.0.1

Subversion Subversion 1.0.2

Subversion Subversion 1.0.3

Subversion Subversion 1.0.4

Subversion Subversion 1.0.5

Subversion Subversion 1.0.6

Subversion Subversion 1.0.7

Subversion Subversion 1.1 .0-rc2

Subversion Subversion 1.1 .0-rc3

Subversion Subversion 1.1 .0-rc1

References

Subversion Mod_Authz_Svn Metadata Information Disclosure Vulnerability

References:

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