Overview: LSsec has discovered a vulnerability in Computer Associates BrightStor ARCserve Backup, which could be exploited by an anonymous attacker in order to execute arbitrary code with SYSTEM privileges on an affected system. The flaw specifically exists within the Discovery Service (casdscsvc.exe) due to incorrect handling of requests on TCP port 41523. Advisory: http://www.lssec.com/advisories/LS-20060220.pdf