SB2022012008 - Denial of srevice in BIG-IP TMM Request Logging
Published: January 20, 2022
Security Bulletin ID
SB2022012008
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) NULL pointer dereference (CVE-ID: CVE-2022-23020)
CWE-ID: CWE-476 - NULL Pointer Dereference
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 NULL pointer dreference error when the 'Respond on Error' setting is enabled on the Request Logging profile and configured on a virtual server. A remote non-authenticated attacker can send specially crafted requests to the system and cause the Traffic Management Microkernel (TMM) to terminate.
Remediation
Install update from vendor's website.