GHSA-8P4X-WR7X-3788 python-liquid: Absolute paths escape filesystem loader search path

Impact The built-in FileSystemLoader and CachingFileSystemLoader do not guard against reading files outside their search paths when given an absolute path to resolve. This allows malicious template authors to load and render arbitrary files via the % include % and % render % tags. Targeted files...

Zombie ZIP method can fool antivirus during the first scan

A researcher published “Zombie ZIP,” a simple way to change the first part header of a ZIP file so it falsely claims its contents are uncompressed while they are actually compressed. Many antivirus products trust that header and never properly decompress or inspect the real payload. In tests...

Retraction of "Antivirus and Endpoint Detection and Response Archive Scanning Engines may not properly scan malformed ZIP archives"

Overview Malformed ZIP headers can be used to obfuscate malicious content in ZIP files from antivirus detection tools. Despite the presence of malformed headers, custom extraction software can decompress the ZIP archive, allowing potentially malicious payloads to be recovered after successful...

Simple macOS kernel extension fuzzing in userspace with IDA and TinyInst

Posted by Ivan Fratric, Google Project Zero Recently, one of the projects I was involved in had to do with video decoding on Apple platforms, specifically AV1 decoding. On Apple devices that support AV1 video format starting from Apple A17 iOS / M3 macOS, decoding is done in hardware. However,...