CVE-2022-23012 - Double Free

Severity

75%

Complexity

39%

Confidentiality

60%

On BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5, when the HTTP/2 profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 7.1. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C).

Demo Examples

Double Free

CWE-415

Double Free

CWE-415

While contrived, this code should be exploitable on Linux distributions which do not ship with heap-chunk check summing turned on.


               
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free(buf1R2);

Overview

Type

F5

First reported 3 years ago

2022-01-25 20:15:00

Last updated 3 years ago

2022-02-01 17:52:00

Affected Software

F5 Big-IP Access Policy Manager (APM)

F5 Big-IP Advanced Firewall Manager (AFM)

F5 Big-IP Analytics

F5 Big-IP Application Acceleration Manager (AAM)

F5 Big-IP Application Security Manager (ASM)

F5 Big-IP Domain Name System (DNS)

F5 Big-IP Fraud Protection Service (FPS)

F5 Big-IP Global Traffic Manager (GTM)

F5 Big-IP Link Controller

F5 Networks Big-IP Local Traffic Manager (LTM)

F5 Big-IP Policy Enforcement Manager (PEM)

References

https://support.f5.com/csp/article/K26310765

https://support.f5.com/csp/article/K26310765

Vendor Advisory

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