Improper certificate validation in F5 BIG-IP iApps component

1) Improper Certificate Validation

EUVDB-ID: #VU78696

Risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-34410

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper validation of TLS certificate chain, where application does not always consider whether the root of a chain is a configured CA certificate. A remote attacker can perform MitM attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP: 15.1.0.3 - 17.1.1.4

CPE2.3

• cpe:2.3:h:f5_networks:big-ip:15.1.10.5:*:*:*:*:*:*:*
• cpe:2.3:h:f5_networks:big-ip:16.0.1.2:*:*:*:*:*:*:*
• cpe:2.3:h:f5_networks:big-ip:16.1.5:*:*:*:*:*:*:*
• cpe:2.3:h:f5_networks:big-ip:17.0.0.2:*:*:*:*:*:*:*
• cpe:2.3:h:f5_networks:big-ip:17.1.1.4:*:*:*:*:*:*:*

External links

http://my.f5.com/manage/s/article/K000148692

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.