WinDBG and JavaScript Analysis

This blog was authored by Paul Rascagneres.IntroductionJavaScript is frequently used by malware authors to execute malicious code on Windows systems because it is powerful, natively available and rarely disabled. Our previous article on .NET analysis generated much interest relating to how to use...

Mozilla: Multiple Use-after-free issues (MFSA 2012-58)

Use-after-free vulnerability in the nsObjectLoadingContent::LoadObject function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denia...

Firefox 8.0 Null Pointer Dereference PoC

No description provided by source. Firefox = 8.0 null pointer dereference PoC exploit Author: 0in Maksymilian Motyl Tested on Firefox 8.0/4.0 on windows and Firefox 7.1 on Linux Lets see in code: $ cat ./mozilla-release/content/base/src/nsObjectLoadingContent.cpp NSIMETHODIMP...

Mozilla Firefox 8.0 Null Pointer Dereference

Firefox GetStatus&status; // Code execution is here. // --------------------------------------------------------------------------------- DUMP: 014E7A28 8B7D 08 MOV EDI,DWORD PTR SS:EBP+8 014E7A2B 8B07 MOV EAX,DWORD PTR DS:EDI ; access violation when reading 0x00000000 014E7A2D 8D4D FC LEA...