8.2
CWE
59 367 362
Advisory Published
Updated

CVE-2021-23892: Race Condition

First published: Wed May 12 2021(Updated: )

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.

Credit: psirt@mcafee.com

Affected SoftwareAffected VersionHow to fix
McAfee Endpoint Security for Linux Threat Prevention>=10.5.0<10.7.5

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Frequently Asked Questions

  • What is the severity of CVE-2021-23892?

    CVE-2021-23892 has a high severity rating due to its potential for privilege escalation.

  • How do I fix CVE-2021-23892?

    To fix CVE-2021-23892, update McAfee Endpoint Security for Linux Threat Prevention to a version higher than 10.7.5.

  • Who is affected by CVE-2021-23892?

    CVE-2021-23892 affects local users of McAfee Endpoint Security for Linux Threat Prevention versions from 10.5.0 to 10.7.5.

  • What type of vulnerability is CVE-2021-23892?

    CVE-2021-23892 is a time of check to time of use (TOCTOU) race condition vulnerability.

  • Can CVE-2021-23892 be exploited remotely?

    No, CVE-2021-23892 requires local access for exploitation.

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