Vulnerability CVE-2021-22992


Published: 2021-03-31

Description:
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, a malicious HTTP response to an Advanced WAF/BIG-IP ASM virtual server with Login Page configured in its policy may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may allow remote code execution (RCE), leading to complete system compromise. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Type:

CWE-120

(Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
F5 -> Big-ip access policy manager 
F5 -> Big-ip advanced firewall manager 
F5 -> Big-ip advanced web application firewall 
F5 -> Big-ip analytics 
F5 -> Big-ip application acceleration manager 
F5 -> Big-ip application security manager 
F5 -> Big-ip ddos hybrid defender 
F5 -> Big-ip domain name system 
F5 -> Big-ip fraud protection service 
F5 -> Big-ip global traffic manager 
F5 -> Big-ip link controller 
F5 -> Big-ip local traffic manager 
F5 -> Big-ip policy enforcement manager 
F5 -> Ssl orchestrator 

 References:
https://support.f5.com/csp/article/K52510511

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