Denial of service in F5 BIG-IP

1) Denial of service

EUVDB-ID: #VU6532

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9253

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated user to cause DoS conditions on the target system.

The weakness exists due to improper validation of user-supplied input. A remote attacker can submit a specially crafted websocket traffic and cause the affected server to crash.

Successful exploitation of the vulnerability may result in denial of service.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP AAM: 12.1.0 - 12.1.2

BIG-IP AFM: 12.1.0 - 12.1.2

BIG-IP Analytics: 12.1.0 - 12.1.2

BIG-IP APM: 12.1.0 - 12.1.2

BIG-IP ASM: 12.1.0 - 12.1.2

BIG-IP DNS: 12.1.0 - 12.1.2

BIG-IP Link Controller: 12.1.0 - 12.1.2

BIG-IP LTM: 12.1.0 - 12.1.2

BIG-IP PEM: 12.1.0 - 12.1.2

BIG-IP WebSafe: 12.1.0 - 12.1.2

External links

http://support.f5.com/csp/article/K51351360

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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