#VU12805 Improper resource shutdown in F5 Networks Server applications


Published: 2018-05-17

Vulnerability identifier: #VU12805

Vulnerability risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6148

CWE-ID: CWE-404

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 APM
Hardware solutions / Security hardware applicances
BIG-IP ASM
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 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 attacker to cause DoS condition on the target system.

The weakness exists due to responses to SOCKS proxy requests made through the BIG-IP system. A remote attacker can cause the service to crash.

Mitigation
Update to versions 11.5.6, 11.6.3, 12.1.3.2, 13.0.1 or 13.1.0.

Vulnerable software versions

BIG-IP LTM: 11.5.1 - 13.0.0

BIG-IP AAM: 11.5.1 - 13.0.0

BIG-IP AFM: 11.5.1 - 13.0.0

BIG-IP APM: 11.5.1 - 13.0.0

BIG-IP ASM: 11.5.1 - 13.0.0

BIG-IP Link Controller: 11.5.1 - 13.0.0

BIG-IP PEM: 11.5.1 - 13.0.0

BIG-IP WebSafe: 11.5.1 - 13.0.0


External links
http://support.f5.com/csp/article/K55225440


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.


Latest bulletins with this vulnerability