CA BrightStor ARCserve Backup Media Server RPC service buffer overflows

Overview

The CA BrightStor ARCserve Backup Media Server contains multiple buffer overflows in the RPC service, which can allow a remote, unauthenticated attacker to execute arbitrary code with elevated privileges.

Description

BrightStor ARCserve Backup is a backup and data retention tool that integrates with other BrightStor Data Availability and BrightStor Storage Management solutions. The BrightStor ARCserve Media Server service, which is provided by mediasvr.exe, contains multiple buffer overflows in the handling of RPC requests. According to the CA security notice, the following products are affected

BrightStor ARCserve Backup r11.5
BrightStor ARCserve Backup r11.1
BrightStor ARCserve Backup r11 for Windows
BrightStor Enterprise Backup r10.5
BrightStor ARCserve Backup v9.01
CA Server Protection Suite r2
CA Business Protection Suite r2
CA Business Protection Suite for Microsoft Small Business Server Standard Edition r2
CA Business Protection Suite for Microsoft Small Business Server Premium Edition r2

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Impact

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

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Solution

Apply an update

According to the CA security notice

_CA has issued the following patches to address the vulnerabilities.

BrightStor ARCserve Backup r11.5 SP3 - QO87569
BrightStor ARCserve Backup r11.5 SP2 - QO87570
BrightStor ARCserve Backup r11.1 - QO87573
BrightStor ARCserve Backup r11.0 - QI82917
BrightStor Enterprise Backup r10.5 - QO87575
BrightStor ARCserve Backup v9.01 - QO87574_

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Vendor Information

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Computer Associates __ Affected

Updated: April 25, 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

Please see the CA security notice.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23979825 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://supportconnectw.ca.com/public/storage/infodocs/babmedser-secnotice.asp&gt;
• <http://www.zerodayinitiative.com/advisories/ZDI-07-022.html&gt;
• <http://secunia.com/advisories/24972/&gt;

Acknowledgements

This vulnerability was reported by ZDI, who in turn credit Tenable Network Security.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2007-2139
Severity Metric:	9.72 Date Public: