CA BrightStor ARCserve Backup Mediasvr.exe vulnerability Mar 31 2007 12:59AM
Williams, James K (James Williams ca com)

CA is aware that functional exploit code was publicized on

March 30, 2007 for a CA BrightStor ARCserve Backup Mediasvr.exe


We have verified that a high risk vulnerability does exist and we

are now working on a patch to address the issue.

CA recommends that BrightStor ARCserve Backup users implement the

following temporary workaround to mitigate the vulnerability:

1) Rename the "mediasvr.exe" file to a non-functional file name,

such as "mediasvc.exe.disable".

2) Then restart the CA BrightStor Tape Engine service.

This will disable the command line functionality in the product

(i.e. command line utilities such as ca_backup, ca_restore,

ca_merge, ca_qmgr, ca_scan, etc will not work).

After we have completed our analysis of the issue, we will post

an update and patches on the CA SupportConnect website. If

additional information is required, please contact CA Technical

Support at http://supportconnect.ca.com.

If you discover a vulnerability in CA products, please report

your findings to vuln at ca dot com, or utilize our "Submit a

Vulnerability" form at



Ken Williams ; 0xE2941985

Director, CA Vulnerability Research

CA, One CA Plaza, Islandia, NY 11749

Contact http://www3.ca.com/contact/

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Copyright (c) 2007 CA. All rights reserved.

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