A denial of service vulnerability exists in Symantec Antivirus Intel Alert Handler service. Remote unauthenticated attackers can exploit this vulnerability by sending a malicious packet to the target service.
9e9991cc21baae425527d30468a81b8551b7dcfe14ef58362a4b2b29ec346383Zero Day Initiative Advisory 11-032 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of multiple Symantec products. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Intel Alert Originator (iao.exe) service. While processing messages sent from the msgsys.exe process a size check can be bypassed and a subsequent stack-based buffer overflow can be triggered. This can be leveraged by remote attackers to execute arbitrary code under the context of the Alert service.
c66e997ca909ee69d691b418c9af54257ad3ef41ac951045ce3fe41ece7cfba0Zero Day Initiative Advisory 11-031 - 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 pagehndl.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 pin number string using sprintf 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.
9103f2f8bde5dc8bae7d14c1434a934a1d5d3d0af76a5626963e2a56a0d79579Zero Day Initiative Advisory 11-030 - 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 pagehndl.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 modem string 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.
5582eb66895609940331c18a336a7faf107bac4bf5c35e9a3be4db447ed8e117Zero Day Initiative Advisory 11-029 - 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 HDNLRSVC.EXE service while processing data sent from the msgsys.exe process which listens by default on TCP port 38292. This process passes user-supplied data directly to a CreateProcessA call. By supplying a UNC path to a controlled binary a remote attacker can execute arbitrary code under the context of the vulnerable daemon.
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