This security advisory describes one high risk vulnerability.
1) Buffer overflow
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2021-22992
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTTP responses. A remote attacker can create a specially crafted HTTP response to an Advanced WAF/ASM virtual server with Login Page configured in its policy, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
BIG-IP Advanced WAF: 11.6.1, 11.6.2, 11.6.3, 11.6.4, 11.6.5, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.4, 12.1.5, 12.1.5.2, 13.1.0, 13.1.1, 13.1.3, 13.1.3.4, 13.1.3.5, 14.1.0, 14.1.2, 14.1.2-0.89.37, 14.1.2.5, 14.1.2.8, 14.1.3, 14.1.3.1, 15.1.0, 15.1.0.2, 15.1.1, 15.1.2, 16.0.0, 16.0.1
BIG-IP ASM: 11.6.1, 11.6.2, 11.6.3, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.4, 12.1.4, 12.1.5, 12.1.5.1, 12.1.5.2, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.6, 13.1.0.8, 13.1.1, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.4, 13.1.3.5, 14.1.0, 14.1.0.3.0.79.6-ENG Hotfix, 14.1.0.3.0.97.6-ENG Hotfix, 14.1.0.3.0.99.6-ENG Hotfix, 14.1.0.5.0.15.5-ENG Hotfix, 14.1.0.5.0.36.5-ENG Hotfix, 14.1.0.5.0.40.5-ENG Hotfix, 14.1.0.6, 14.1.0.6.0.11.9-ENG Hotfix, 14.1.0.6.0.14.9-ENG Hotfix, 14.1.0.6.0.68.9-ENG Hotfix, 14.1.0.6.0.70.9-ENG Hotfix, 14.1.1, 14.1.2, 14.1.2-0.89.37, 14.1.2.0.11.37-ENG Hotfix, 14.1.2.0.18.37-ENG Hotfix, 14.1.2.0.32.37-ENG Hotfix, 14.1.2.1, 14.1.2.1.0.14.4-ENG Hotfix, 14.1.2.1.0.16.4-ENG Hotfix, 14.1.2.1.0.34.4-ENG Hotfix, 14.1.2.1.0.46.4-ENG Hotfix, 14.1.2.1.0.97.4-ENG Hotfix, 14.1.2.1.0.99.4-ENG Hotfix, 14.1.2.1.0.105.4-ENG Hotfix, 14.1.2.1.0.111.4-ENG Hotfix, 14.1.2.1.0.115.4-ENG Hotfix, 14.1.2.1.0.122.4-ENG Hotfix, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 16.0.0, 16.0.1
CPE
External links
https://support.f5.com/csp/article/K52510511
