CVE-2021-23892 is a vulnerability in McAfee Endpoint Security Linux Threat Prevention
Published on May 12, 2021
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.
Vulnerability Analysis
CVE-2021-23892 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2021-23892 has been classified to as an insecure temporary file vulnerability or weakness.
Products Associated with CVE-2021-23892
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Affected Versions
McAfee,LLC McAfee Endpoint Security (ENS) for Linux:- Version unspecified and below 10.7.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.