CVEs-PoC/2021/CVE-2021-27216.md

CVE-2021-27216

Description

Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.

POC

Reference

• https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt

Github

• https://github.com/SashaPaladin/go-grpc-nmap-vulners