SB2023101198 - Remote denial of service in F5 BIG-IP TCP profile



SB2023101198 - Remote denial of service in F5 BIG-IP TCP profile

Published: October 11, 2023 Updated: January 5, 2024

Security Bulletin ID SB2023101198
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) Resource exhaustion (CVE-ID: CVE-2023-40542)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when TCP Verified Accept is enabled on a TCP profile. A remote attacker can send specially crafted traffic to the system, trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.