CA BrightStor ARCserve Backup MEDIASVR.EXE RPC Request Code Execution - Secunia Advisories - Vulnerability Intelligence

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CA BrightStor ARCserve Backup MEDIASVR.EXE RPC Request Code Execution
Secunia Advisory:	SA24682	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2007-03-30
Last Update:	2007-04-25
Popularity:	9,513 views

Critical:	Moderately critical
Impact:	System access
Where:	From local network
Solution Status:	Vendor Patch

Software:	BrightStor ARCserve Backup 11.x BrightStor ARCserve Backup 11.x (for Microsoft SQL Server) BrightStor ARCserve Backup 11.x (for Windows) BrightStor ARCserve Backup 9.x BrightStor Enterprise Backup 10.x

Binary Analysis:	BA81 :: Available for Credits

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2007-1785

Description: M. Shirk has discovered a vulnerability in BrightStor ARCserve Backup, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to an input validation error within mediasvr.exe when processing 0xBF RPC requests . This can be exploited to execute arbitrary code via a specially crafted 0xBF RPC request sent to the mediasvr.exe process. The vulnerability is confirmed in version r11.5 SP2 build 4237. Other versions may also be affected. Solution: Apply patches. BrightStor ARCserve Backup r11.5 SP3 - QO87569: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO87569 BrightStor ARCserve Backup r11.5 SP2 - QO87570: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO87570 BrightStor ARCserve Backup r11.1 - QO87573: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO87573 BrightStor ARCserve Backup r11.0 - QI82917: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QI82917 BrightStor Enterprise Backup r10.5 - QO87575: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO87575 BrightStor ARCserve Backup v9.01 - QO87574: http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO87574 Provided and/or discovered by: M. Shirk Changelog: 2007-04-03: Added link to US-CERT. 2007-04-25: Updated "Solution" and "Solution Status" sections to reflect patch information. Added CVE reference and link to vendor's advisory. Updated affected software list. Original Advisory: http://www.shirkdog.us/shk-004.html CA: http://supportconnectw.ca.com/public/storage/infodocs/babmedser-secnotice.asp Other References: US-CERT VU#151305: http://www.kb.cert.org/vuls/id/151305

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