Computer Associates BrightStor ARCserve Backup Tape Engine fails to properly handle RPC requests

Overview

A vulnerability exists in the Computer Associates BrightStor ARCserve Backup Tape Engine. 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 Tape Engine features allow BrightStor ARCserve Backup products to use tape drives for storage.

The BrightStor ARCserve Backup Tape 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 6502/tcp on a vulnerable system.

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Impact

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

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Solution

Upgrade
This vulnerability is addressed in BrightStor ARCserve Backup r11.5 Service Pack 2.

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Restrict Access

Restricting access to port 6502/tcp at the network perimeter may mitigate the impact of this vulnerability.

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Vendor Information

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Computer Associates __ Affected

Updated: January 12, 2007

Status

Affected

Vendor Statement

See <http://supportconnectw.ca.com/public/ca_common_docs/babtapsecurity-notice.asp&gt;.

Vendor Information

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

Addendum

See <http://supportconnectw.ca.com/public/storage/infodocs/basbrtapeeng-secnotice.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%23437300 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• http://www3.ca.com/solutions/Collateral.aspx?CID=73252&ID=115
• <http://www3.ca.com/securityadvisor/newsinfo/collateral.aspx?cid=101317&gt;
• <http://lists.grok.org.uk/pipermail/full-disclosure/2006-November/050808.html&gt;
• <http://lists.grok.org.uk/pipermail/full-disclosure/2006-November/050814.html&gt;
• <http://www.lssec.com/advisories.html&gt;
• <http://www3.ca.com/solutions/ProductFamily.aspx?ID=115&gt;
• <http://secunia.com/advisories/23060/&gt;
• <http://www.securityfocus.com/bid/21221&gt;
• <http://www.securityfocus.com/bid/22006&gt;

Acknowledgements

This issue was reported by LSsecurity.

This document was written by Ryan Giobbi.

Other Information

CVE IDs:	CVE-2006-6076
Severity Metric:	3.59 Date Public: