bruiser has discovered a vulnerability in IBM Informix Client Software Development Kit (CSDK) and IBM Informix Connect, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the processing of ".nfx" files. This can be exploited to cause a stack-based buffer overflow when an ".nfx" file having e.g. an overly long "HostList" entry is opened.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in setnet32.exe version 18.104.22.16852 included in IBM Informix CSDK version 3.50. Other versions may also be affected.
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Subject: IBM Informix Products Setnet32 Utility ".nfx" Processing Buffer Overflow
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