[NT] CA BrightStor ARCserve Backup Message Engine Insecure Method Exposure Vulnerability

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion

The SecuriTeam alerts list - Free, Accurate, Independent.

Get your security news from a reliable source.
http://www.securiteam.com/mailinglist.html

- - - - - - - - -

CA BrightStor ARCserve Backup Message Engine Insecure Method Exposure
Vulnerability
------------------------------------------------------------------------

SUMMARY

This vulnerability allows attackers to arbitrarily access and modify the
file system and registry of vulnerable installations of Computer
Associates BrightStor ARCserve Backup. Authentication is not required to
exploit this vulnerability.

DETAILS

Vulnerable Systems:
* BrightStor ARCserve Backup r11.5
* BrightStor ARCserve Backup r11.1
* BrightStor ARCserve Backup r11.0
* BrightStor Enterprise Backup r10.5
* BrightStor ARCserve Backup version 9.01

The specific flaws exists in the Message Engine RPC service which listens
by default on TCP port 6504 with the following UUID:

506b1890-14c8-11d1-bbc3-00805fa6962e

The service exposes a number of insecure method calls including: 0x17F,
0x180, 0x181, 0x182, 0x183, 0x184, 0x185, 0x186, 0x187, 0x188, 0x189,
0x18A, 0x18B, and 0x18C. Attackers can leverage these methods to
manipulate both the file system and registry which can result in a
complete system compromise.

Vendor Response:
Computer Associates has issued an update to correct this vulnerability.
More details can be found at:

<http://supportconnectw.ca.com/public/storage/infodocs/basb-secnotice.asp>

http://supportconnectw.ca.com/public/storage/infodocs/basb-secnotice.asp

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5328>
CVE-2007-5328

Disclosure Timeline:
2007.01.12 - Vulnerability reported to vendor
2007.11.26 - Coordinated public release of advisory

ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@3com.com>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-07-069.html>

http://www.zerodayinitiative.com/advisories/ZDI-07-069.html

========================================

This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: list-unsubscribe@securiteam.com
In order to subscribe to the mailing list, simply forward this email to: list-subscribe@securiteam.com

====================
====================

DISCLAIMER:
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.