Vulnerability identifier: #VU12772

Vulnerability risk: Low

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

CVE-ID: CVE-2017-6143

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP AFM
Hardware solutions / Security hardware applicances

Vendor: F5 Networks

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to X509 certificate verification was not correctly implemented in the IP Intelligence Subscription and IP Intelligence feed-list features, and thus the remote server's identity is not properly validated. A remote attacker can gain access to potentially sensitive information.

Mitigation
Update to versions 13.0.0, 12.1.2 HF1, 11.6.3 or 11.5.6.

Vulnerable software versions

BIG-IP AFM: 11.5.1 - 12.1.2

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External links
http://support.f5.com/csp/article/K11464209

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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.