#VU9746 Race condition in F5 Networks products - CVE-2017-6167

Vulnerability identifier: #VU9746

Vulnerability risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-6167

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP LTM
Hardware solutions / Security hardware applicances
BIG-IP AFM
Hardware solutions / Security hardware applicances
BIG-IP Analytics
Hardware solutions / Security hardware applicances
BIG-IP APM
Hardware solutions / Security hardware applicances
BIG-IP ASM
Hardware solutions / Security hardware applicances
BIG-IP GTM
Hardware solutions / Security hardware applicances
BIG-IP PEM
Hardware solutions / Security hardware applicances
BIG-IP AAM
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP DNS
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP Link Controller
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP WebSafe
Server applications / Server solutions for antivurus protection

Vendor: F5 Networks

Description
The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The vulnerability exists due to race condition when handling malicious input. A remote attacker can send asynchronous tasks via the iControl REST interface, trigger a race condition and execute commands with elevated privileges on the target system.

Mitigation
The vulnerability is addressed in the following versions: 12.1.3, 13.1.0.

Vulnerable software versions

BIG-IP LTM: 12.1.0 - 13.0.0

BIG-IP AAM: 12.1.0 - 13.0.0

BIG-IP AFM: 12.1.0 - 13.0.0

BIG-IP Analytics: 12.1.0 - 13.0.0

BIG-IP APM: 12.1.0 - 13.0.0

BIG-IP ASM: 12.1.0 - 13.0.0

BIG-IP DNS: 12.1.0 - 13.0.0

BIG-IP GTM: 12.1.0 - 13.0.0

BIG-IP Link Controller: 12.1.0 - 13.0.0

BIG-IP PEM: 12.1.0 - 13.0.0

BIG-IP WebSafe: 12.1.0 - 13.0.0

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External links
https://support.f5.com/csp/article/K24465120

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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?

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