SB2023101198 - Remote denial of service in F5 BIG-IP TCP profile
Published: October 11, 2023 Updated: January 5, 2024
Security Bulletin ID
SB2023101198
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2023-40542)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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.