Picklescan: ZIP archive scan bypass is possible through non-exhaustive Cyclic Redundancy Check

Summary Picklescan's ability to scan ZIP archives for malicious pickle files is compromised when the archive contains a file with a bad Cyclic Redundancy Check CRC. Instead of attempting to scan the files within the archive, whatever the CRC is, Picklescan fails in error and returns no results...

Arbitrary Code Execution (ACE)

PickleScan is vulnerable to Arbitrary Code Execution ACE. The vulnerability is due to PickleScan failing to detect malicious pickle files when specific ZIP file flag bits are modified, allowing attackers to embed harmful pickle files that remain unnoticed while still being loaded by PyTorch’s...