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>> CA BrightStor ARCserve Backup RPC Request Remote Code Execution Vulnerability

Title : CA BrightStor ARCserve Backup RPC Request Remote Code Execution Vulnerability
VUPEN ID : VUPEN/ADV-2007-1161
CVE ID : CVE-2007-1785
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-03-30


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in CA BrightStor ARCserve Backup, which could be exploited by remote attackers to cause a denial of service or take complete control of an affected system. This issue is due to an input validation error in the "Mediasvr.exe" service when processing specially crafted 191 (0xbf) RPC requests, which could be exploited by remote unauthenticated attackers to crash a vulnerable application or execute arbitrary commands with elevated privileges.

Affected Products

CA BrightStor ARCserve Backup r11.5
CA BrightStor ARCserve Backup r11.1
CA BrightStor ARCserve Backup r11 for Windows
CA BrightStor Enterprise Backup r10.5
CA BrightStor ARCserve Backup version 9.01
CA Server Protection Suite r2
CA Business Protection Suite r2
CA Business Protection Suite for MS Small Business Server Standard Edition r2
CA Business Protection Suite for MS Small Business Server Premium Edition r2

Solution

Apply patches :
http://supportconnectw.ca.com/public/storage/infodocs/babmedser-secnotice.asp

References

http://www.vupen.com/english/advisories/2007/1161
http://www.shirkdog.us/shk-004.html

Credits

Vulnerability reported by Shirkdog

ChangeLog

2007-03-30 : Initial release
2007-04-24 : Updated Solution

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