A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Computer Associates BrightStor ARCserve Backup, Enterprise Backup, Server Protection Suite and Business Protection Suite. Authentication is not required to exploit this vulnerability. The problem specifically exists within ASCORE.dll, a DLL used by the Message Engine RPC server. This service exposes a heap overflow vulnerability through RPC opcode 43 (0x2b) and a stack overflow vulnerability through RPC opcode 45 (0x2d) on TCP port 6503 endpoint with ID dc246bf0-7a7a-11ce-9f88-00805fe43838. The flaws are exposed when passing long strings as the second parameter to either opcode.
ea191ab2469d6979936d4e1c4ede0baacc4f8cc992c6904ef215ec00b53759c7A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Computer Associates BrightStor ARCserve Backup, Enterprise Backup, Server Protection Suite and Business Protection Suite. Authentication is not required to exploit this vulnerability and both client and servers are affected. The problem specifically exists within the discovery service which communicates initially over UDP port 41524 and then over TCP port 41523. Due to invalid bounds checking during TCP communications, a stack based buffer overflow may occur in ASBRDCST.DLL during a call to vsprintf().
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