SB2022012025 - Denial of service in BIG-IP FastL4 profile



SB2022012025 - Denial of service in BIG-IP FastL4 profile

Published: January 20, 2022

Security Bulletin ID SB2022012025
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-23029)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a race condition in Virtual server with FastL4 profile. A remote attacker can cause a degradation of service and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.