This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. Valid user credentials are required to exploit this vulnerability. The specific flaw exists in the Workstation RPC Service. When handling the arguments for the NetrGetJoinInformation function, memory is improperly freed and can lead to remote code execution. Successful exploitation can lead to a remote system compromise under SYSTEM credentials.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80272/TPTI-09-06.txt
Source: https://packetstormsecurity.com/files/80272/NetrGetJoinInformation-Heap-Corruption.html