Vulnerability Note VU#437300

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

Original Release date: 22 Nov 2006 | Last revised: 19 Mar 2007


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.


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.


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


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

Restrict Access

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

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Computer AssociatesAffected-12 Jan 2007
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



This issue was reported by LSsecurity.

This document was written by Ryan Giobbi.

Other Information

  • CVE IDs: CVE-2006-6076
  • Date Public: 21 Nov 2006
  • Date First Published: 22 Nov 2006
  • Date Last Updated: 19 Mar 2007
  • Severity Metric: 3.59
  • Document Revision: 37


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