CVE-2009-3691
IBM Informix Client SDK 3.0 and 3.50 - Remote Code Execution via Crafted .nfx File
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2009-3691. PoCs published by bruiser.
AI-analyzed exploit summary This exploit leverages an integer overflow in IBM Informix Client SDK 3.0's SetNet32 utility via a malformed .nfx file, leading to a stack-based buffer overflow and arbitrary code execution. The PoC includes shellcode for adding a user and carefully crafted SEH overwrites to bypass SafeSEH protections.
Description
Multiple integer overflows in setnet32.exe 3.50.0.13752 in IBM Informix Client SDK 3.0 and 3.50 and Informix Connect Runtime 3.x allow remote attackers to execute arbitrary code via a .nfx file with a crafted (1) HostSize, and possibly (2) ProtoSize and (3) ServerSize, field that triggers a stack-based buffer overflow involving a crafted HostList field. NOTE: some of these details are obtained from third party information.
Exploits (1)
This exploit leverages an integer overflow in IBM Informix Client SDK 3.0's SetNet32 utility via a malformed .nfx file, leading to a stack-based buffer overflow and arbitrary code execution. The PoC includes shellcode for adding a user and carefully crafted SEH overwrites to bypass SafeSEH protections.