Vulnerability identifier: #VU8982

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6160

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP AAM
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP PEM
Hardware solutions / Security hardware applicances

Vendor: F5 Networks

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the virtual servers using a Policy Enforcement profile or a Web Acceleration profile due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request to cause Traffic Management Microkernel (TMM) to restart and temporarily fail to process traffic.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BIG-IP AAM: 11.4.0 HF4 - 12.1.1

BIG-IP PEM: 11.5.1 HF6 - 12.1.1

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External links
http://support.f5.com/csp/article/K19430431

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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.