CA BrightStor ARCserve Backup Message Engine RPC buffer overflow

Overview

The Computer Associates BrightStor ARCserve Backup Message Engine contains a buffer overflow vulnerability. If successfully exploited, this vulnerability may allow a remote attacker to execute arbitrary code.

Description

BrightStor ARCserve Backup is a backup and data retention tool that integrates with other BrightStor Data Availability and BrightStor Storage Management solutions. The Message Engine service is installed and started automatically on BrightStor ARCserve Backup servers.

According to a report from Zero Day Initiative, the BrightStor ARCserve Backup Message Engine contains a vulnerability that is caused by incorrect handling of RPC requests. This vulnerability may be exploited by sending a malformed RPC request to port 6503/tcp or 6504/tcp on a vulnerable system.

Note that the vulnerable software may be running on any machines that have BrightStor ARCserve Backup products installed.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary code.

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Solution

Upgrade
Computer Associates has released updates to address this vulnerability.

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Restrict Access

Restricting access to port 6503/tcp and 6504/tcp at the network perimeter may help mitigate this vulnerability.

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Vendor Information

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Computer Associates __ Affected

Updated: January 12, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

See <http://supportconnectw.ca.com/public/storage/infodocs/babimpsec-notice.asp&gt; for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23180336 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://supportconnectw.ca.com/public/storage/infodocs/babimpsec-notice.asp&gt;
• <http://www.zerodayinitiative.com/advisories/ZDI-07-003.html&gt;
• <http://www3.ca.com/solutions/ProductFamily.aspx?ID=115&gt;
• <http://secunia.com/advisories/23648/&gt;
• <http://securitytracker.com/alerts/2007/Jan/1017506.html&gt;
• <http://www.securityfocus.com/bid/22005&gt;

Acknowledgements

This vulnerability was publicly reported by the Zero Day Initiative, who in turn credit Tenable Network Security.

This document was written by Ryan Giobbi.

Other Information

CVE IDs:	CVE-2007-0169
Severity Metric:	2.84 Date Public: