Drupal XML-RPC Library Bug Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1014674
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SecurityTracker URL: http://securitytracker.com/id?1014674
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CVE Reference: CAN-2005-2498
(Links to External Site)
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Date: Aug 15 2005
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 4.5 prior to 4.5.5 and 4.6 prior to 4.6.3
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Description: A vulnerability was reported in Drupal in the XML-RPC library. A remote user can execute arbitrary code on the target system.
An unspecified flaw in the 3rd party XML-RPC library included with certain versions of Drupal allows a remote user to execute arbitrary
PHP code on the target site.
The vendor was notified on August 12, 2005.
Stefan Esser of the Hardened-PHP Project notified
the vendor of this vulnerability.
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Impact: A remote user can execute arbitrary PHP code on the target system with the privileges of the target web service.
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Solution: The vendor has issued fixed versions (4.6.3 and 4.5.5).
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Vendor URL: www.drupal.org/ (Links to External Site)
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Cause: Not specified
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Reported By: Uwe Hermann <uwe@hermann-uwe.de>
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Message History:
None.
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Source Message Contents
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Date: Mon, 15 Aug 2005 04:34:50 +0200
From: Uwe Hermann <uwe@hermann-uwe.de>
Subject: [Full-disclosure] [DRUPAL-SA-2005-004] Drupal 4.6.3 / 4.5.5 fixes
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----------------------------------------------------------------------------
Drupal security advisory DRUPAL-SA-2005-004
----------------------------------------------------------------------------
Advisory ID: DRUPAL-SA-2005-004
Date: 2005-aug-15
CVE ID: CAN-2005-2498
Security risk: highly critical
Impact: system access
Where: from remote
Vulnerability: arbitrary PHP code execution
----------------------------------------------------------------------------
Description
-----------
Stefan Esser of the Hardened-PHP Project reported a serious vulnerablility
in the third-party XML-RPC library included with some Drupal versions. An=
=20
attacker could execute arbitrary PHP code on a target site.
Versions affected
-----------------
Drupal 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4
Drupal 4.6.0, 4.6.1, 4.6.2
Drupal HEAD is not affected, as the XML-RPC library has been replaced by a=
=20
different one.
Solution
--------
- If you cannot upgrade immediately, you can secure your site by removing
the XML-RPC server: simply remove the file 'xmlrpc.php' in the root of
your Drupal directory.
- If you are running Drupal 4.5.x, then upgrade to Drupal 4.5.5.
- If you are running Drupal 4.6.x, then upgrade to Drupal 4.6.3.
Timeline
--------
- Fri, 12 Aug 2005 21:15: Stefan Esser reports the vulnerability to Drupal =
and
other PHP projects using the XML-RPC library.
He plans a coordinated release of all affected
projects for next week.
- Sun, 14 Aug 2005 22:40: Stefan Esser reports that the coordinated release
is spoiled because information about the security
issue was leaked to the public.
- Sun, 14 Aug 2005 23:38: The Drupal Security Team starts coordinated work =
on
a new release via the security mailing list and I=
RC.
- Mon, 15 Aug 2005 03:45: Updated Drupal 4.6.3 and Drupal 4.5.5 are release=
d.
Contact
-------
The security contact for Drupal can be reached at security@drupal.org=20
or using the form at http://drupal.org/contact.
// Uwe Hermann, on behalf of the Drupal Security Team.
--=20
Uwe Hermann <uwe@hermann-uwe.de>
http://www.hermann-uwe.de | http://www.crazy-hacks.org
http://www.it-services-uh.de | http://www.phpmeat.org
http://www.unmaintained-free-software.org | http://www.holsham-traders.de
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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