Multiple vulnerabilities have been reported in CA BrightStor ARCserve Backup, which can be exploited by malicious people to bypass certain security restrictions, manipulate certain data, cause a DoS (Denial of Service), or compromise a vulnerable system.

1) Multiple boundary errors in various components (e.g. Message Engine, AScore.dll, rpcx.dll) when handling RPC requests can be exploited to cause buffer overflows.

2) Multiple errors in various components (e.g. dbasvr, lqserver, mediasvr, callogerd) can be exploited to cause a memory corruption.

Successful exploitation of these vulnerabilities allow execution of arbitrary code.

3) The Message Engine RPC service contains multiple insecure method calls, which can be exploited to manipulate the file system and registry by sending RPC requests to default port 6504/TCP.

The vulnerabilities are reported in the following products:
* 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

Solution
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Further details available to Secunia VIM customers

Provided and/or discovered by
1) Independently discovered by:
* An anonymous researcher, reported via iDefense Labs
* Dyon Balding, Secunia Research
* cocoruder, Fortinet Security Research Team

2) Independently discovered by:
* Pedram Amini, TippingPoint DV Labs
* Dyon Balding, Secunia Research
* Greg Linares, eEye Digital Security
* shirkdog

3) Tenable Network Security, reported via ZDI.

Changelog
Further details available to Secunia VIM customers

Original Advisory
CA:
http://supportconnectw.ca.com/public/storage/infodocs/basb-secnotice.asp

Secunia Research:
http://secunia.com/secunia_research/2007-49/advisory/
http://secunia.com/secunia_research/2007-62/advisory/

Fortinet Security Research Team:
http://www.fortiguardcenter.com/advisory/FGA-2007-11.html

eEye Digital Security:
http://research.eeye.com/html/advisories/published/AD20071011.html

TippingPoint DVLabs:
http://dvlabs.tippingpoint.com/advisory/TPTI-07-19

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-07-069.html

Deep Links
Links available to Secunia VIM customers