Remote denial of service in F5 BIG-IP products

1) Denial of service

EUVDB-ID: #VU3359

Risk: Medium

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

CVE-ID: CVE-2016-5024

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause denial of service conditions.

The vulnerability exists due to an input validation error within virtual server when parsing RADIUS messages via an iRule. A remote attacker can send specially crafted network packets to vulnerable device and cause denial of service.

Successful exploitation of the vulnerability may allow an attacker to cause Traffic Management Microkernel (TMM) process to stop responding.

Mitigation

Install patch from vendor's website.

Vulnerable software versions

BIG-IP PEM: 11.6.1 - 12.1.1

BIG-IP Link Controller: 11.6.1 - 12.1.1

BIG-IP GTM: 11.6.1

BIG-IP DNS: 12.1.0 - 12.1.1

BIG-IP ASM: 11.6.1 - 12.1.1

BIG-IP APM: 11.6.1 - 12.1.1

BIG-IP Analytics: 11.6.1 - 12.1.1

BIG-IP AFM: 11.6.1 - 12.1.1

BIG-IP AAM: 11.6.1 - 12.1.1

BIG-IP LTM: 11.6.1 - 12.1.1

BIG-IP: 11.6.1 - 12.1.0

External links

http://support.f5.com/csp/#/article/K92859602

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.