By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-23892
• https://kc.mcafee.com/corporate/index?page=content&id=SB10355