Rule--Sid13716--Summary:This event is generated when an attempt is made to exploit a known vulnerability in BrightStor ARCServe Backup.--Impact:Denial of Service. Information disclosure. Loss of integrity. Complete admin access.--Detailed Information:The RPC service in mediasvr.exe in CA BrightStor ARCserve Backup 11.5 SP2 build 4237 allows remote attackers to execute arbitrary code via crafted xdr_handle_t data in RPC packets, which is used in calculating an address for a function call, as demonstrated using the 191 (0xbf) RPC request.--Affected Systems:Computer Associates BrightStor ARCServe Backup 11.1Computer Associates BrightStor ARCServe Backup 11.5Computer Associates BrightStor ARCServe Backup 11.5 SP1Computer Associates BrightStor ARCServe Backup 11.5 SP2Computer Associates BrightStor ARCServe Backup 9.01Computer Associates BrightStor ARCServe Backup 11.0--Attack Scenarios:--Ease of Attack:--False Positives:None known.--False Negatives:None known.--Corrective Action:Upgrade to the latest non-affected version of the software.Apply the appropriate vendor supplied patches.--Contributors:Sourcefire Vulnerability Research TeamThis document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.For more information see http://nvd.nist.gov/--Additional References:NIST CVE-2007-1785:http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-1785--