Remote code execution in F5 BIG-IP products

1) OS Command Injection

EUVDB-ID: #VU29442

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-5902

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in undisclosed pages in the Traffic Management User Interface (TMUI), also referred to as the Configuration utility. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands 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: 11.6.1 - 15.1.0

BIG-IP LTM: 11.6.1 - 15.1.0

BIG-IP AAM: 11.6.1 - 15.1.0

BIG-IP AFM: 11.6.1 - 15.1.0

BIG-IP Analytics: 11.6.1 - 15.1.0

BIG-IP APM: 11.6.1 - 15.1.0

BIG-IP ASM: 11.6.1 - 15.1.0

BIG-IP DNS: 11.6.1 - 15.1.0

BIG-IP FPS: 11.6.1 - 15.1.0

BIG-IP GTM: 11.6.1 - 15.1.0

BIG-IP Link Controller: 11.6.1 - 15.1.0

BIG-IP PEM: 11.6.1 - 15.1.0

External links

http://support.f5.com/csp/article/K52145254

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.