#VU16775 Denial of service in BIG-IP APM - CVE-2018-15335

Vulnerability identifier: #VU16775

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-15335

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to APM becomes a client application to an external OAuth authorization server when APM is deployed as an OAuth Resource Server. A remote attacker can cause APM not to display the intended message in the failure response when communication between the BIG-IP APM and the OAuth authorization server is lost.

Mitigation
Update to version 14.0.0.

Vulnerable software versions

BIG-IP APM: 13.0.0 - 13.1.1

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External links
https://support.f5.com/csp/article/K27617652

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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.