Researchers Uncover Windows Flaws Granting Hackers Rootkit-Like Powers

New research has found that the DOS-to-NT path conversion process could be exploited by threat actors to achieve rootkit-like capabilities to conceal and impersonate files, directories, and processes. "When a user executes a function that has a path argument in Windows, the DOS path at which the...

Microsoft Windows - Custom Font Disable Policy Bypass

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=779 Windows: Custom Font Disable Policy Bypass Platform: Windows 10 Only Class: Security Feature Bypass Summary: It’s possible to bypass the ProcessFontDisablePolicy check in win32k to load a custom font from an arbitrary file on...

The Definitive Guide on Win32 to NT Path Conversion

Posted by James Forshaw, path’ological reverse engineer. How the Win32 APIs process file paths on Windows NT is a tale filled with backwards compatibility hacks, weird behaviour, and beauty†. Incorrect handling of Win32 paths can lead to security vulnerabilities. This blog post is to try and give...

CVE-1999-1217

The PATH in Windows NT includes the current working directory ., which could allow local users to gain privileges by placing Trojan horse programs with the same name as commonly used system programs into certain directories...