Vulnerability CVE-2022-26372
Published: 2022-05-05

Description:
On F5 BIG-IP 15.1.x versions prior to 15.1.0.2, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, when a DNS listener is configured on a virtual server with DNS queueing (default), undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
F5 -> Big-ip local traffic manager 
F5 -> Big-ip advanced firewall manager 
F5 -> Big-ip access policy manager 
F5 -> Big-ip global traffic manager 
F5 -> Big-ip domain name system 
F5 -> Big-ip policy enforcement manager 
F5 -> Big-ip application security manager 
F5 -> Big-ip analytics 
F5 -> Big-ip application acceleration manager 
F5 -> Big-ip link controller 
F5 -> Big-ip fraud protection service 

 References:
https://support.f5.com/csp/article/K23454411
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