CVE-2023-42757 Information

Description

Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.

Reference

https://www.safebreach.com/blog/magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces/ https://github.com/SafeBreach-Labs/MagicDot https://www.blackhat.com/asia-24/briefings/schedule/#magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces-36561