An arbitrary program execution vulnerability exists in Symantec Alert Management System (AMS) service shipped with multiple Symantec products. The vulnerability could be exploited by remote unauthenticated attackers to execute arbitrary code with SYSTEM privileges.
eee2169d996a231a38ee1755b3896a7774d1175ed44b33559666eb32ec79256fZero Day Initiative Advisory 11-028 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Symantec Alert Management System. Authentication is not required to exploit this vulnerability. The specific flaw exists within the AMSLIB.dll module while processing data sent from the msgsys.exe process which listens by default on TCP port 38292. The DLL allocates a fixed length stack buffer and subsequently copies a user-supplied string using memcpy without validating the size. By supplying a large enough value this buffer can be overflowed leading to arbitrary code execution under the context of the vulnerable daemon.
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