Race condition in iControl REST component in F5 BIG-IP

1) Race condition

EUVDB-ID: #VU50615

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22974

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to incomplete fix for a race condition vulnerability in iControl REST API #VU9746. A  remote user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 13.1.0 - 16.0.1

BIG-IP LTM: 13.1.0 - 16.0.1

BIG-IP AAM: 13.1.0 - 16.0.1

BIG-IP Advanced WAF: 13.1.0 - 16.0.1

BIG-IP AFM: 13.1.0 - 16.0.1

BIG-IP Analytics: 13.1.0 - 16.0.1

BIG-IP APM: 13.1.0 - 16.0.1

BIG-IP ASM: 13.1.0 - 16.0.1

BIG-IP DDHD: 13.1.0 - 16.0.1

BIG-IP DNS: 13.1.0 - 16.0.1

BIG-IP FPS: 13.1.0 - 16.0.1

BIG-IP GTM: 13.1.0 - 16.0.1

BIG-IP Link Controller: 13.1.0 - 16.0.1

BIG-IP PEM: 13.1.0 - 16.0.1

BIG-IP SSLO: 13.1.0 - 16.0.1

External links

http://support.f5.com/csp/article/K68652018

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.