CVE-2021-23892 Race condition in McAfee Endpoint Security (ENS) for Linux
A local attacker can exploit a race condition during installation to escalate privileges and execute arbitrary code on Linux systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-23892?
CVE-2021-23892 is a high-severity vulnerability in McAfee,LLC McAfee Endpoint Security (ENS) for Linux, published on 12 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2021-23892?
It affects 1 product.
Products include Mcafee Endpoint Security for Linux Threat Prevention.
How do I fix CVE-2021-23892?
No fix has been published for CVE-2021-23892 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23892 being exploited?
There is no known exploitation of CVE-2021-23892 in the wild and no public exploit code.
Other vulnerabilities in McAfee,LLC McAfee Endpoint Security (ENS) for Linux
Sources
Also known as GHSA-2pf3-gjp3-cx53.