Privilege escalation in F5 BIG-IP




Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU6530

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9251

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The weakness exists due to insufficient security controls. A remote attacker can use a specially crafted iControl REST connection, gain elevated privileges and conduct further attacks.

Successful exploitation of the vulnerability may result in access to the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP AAM: 12.0.0 - 12.1.2

BIG-IP AFM: 12.0.0 - 12.1.2

BIG-IP Analytics: 12.0.0 - 12.1.2

BIG-IP APM: 12.0 HF1 - 12.1.2

BIG-IP ASM: 12.0.0 - 12.1.2

BIG-IP DNS: 12.0.0 - 12.1.2

BIG-IP Link Controller: 12.0.0 - 12.1.2

BIG-IP LTM: 12.0.0 - 12.1.2

BIG-IP PEM: 12.0.0 - 12.1.2

BIG-IP WebSafe: 12.0 - 12.1.2

CPE2.3 External links

http://support.f5.com/csp/article/K41107914


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.



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