VeriSign iDefense Labs has reported a vulnerability in Microsoft Windows, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in inetcomm.dll when processing NNTP (Network News Transfer Protocol) responses. This can be exploited to cause a heap-based buffer overflow by returning more data than requested by the client.
Successful exploitation may allow execution of arbitrary code when a user e.g. visits a malicious website.
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Subject: Microsoft Windows NNTP Response Handling Buffer Overflow
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