Exploitation Summary
EIP tracks 1 public exploit for CVE-2009-4117. PoCs published by Christophe Devine.
AI-analyzed exploit summary This is a detailed technical analysis of CVE-2009-4117, a stack-based buffer overflow in MuPDF's handling of /Decode arrays in shading types 4-7. It includes vulnerability details, exploitation challenges, and a proof-of-concept Ruby script using the Origami framework to generate a malicious PDF.
Description
Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions. NOTE: some of these details are obtained from third party information.
Exploits (1)
This is a detailed technical analysis of CVE-2009-4117, a stack-based buffer overflow in MuPDF's handling of /Decode arrays in shading types 4-7. It includes vulnerability details, exploitation challenges, and a proof-of-concept Ruby script using the Origami framework to generate a malicious PDF.