SB2022080420 - Denial of service in BIG-IP HTTP MRF
Published: August 4, 2022
Security Bulletin ID
SB2022080420
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) Improper Resource Shutdown or Release (CVE-ID: CVE-2022-35272)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
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 a resource management error when source-port preserve-strict is configured on an HTTP Message Routing Framework (MRF) virtual server. A remote attacker can send specially crafted HTTP/2 traffic to the system and perform a denial of service (DoS) attack against the TMM process.
Remediation
Install update from vendor's website.