Improper validation of certificate with host mismatch in IBM Cloud Pak System

1) Improper validation of certificate with host mismatch

EUVDB-ID: #VU75686

Risk: Low

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

CVE-ID: CVE-2022-39161

CWE-ID: CWE-297 - Improper Validation of Certificate with Host Mismatch

Exploit availability: No

Description

The vulnerability allows a remote user to perform MitM attack.

The vulnerability exists due to improper certificate validation issued by a trusted CA when configured to communicate with the Web Server Plug-ins for IBM WebSphere Application Server. A remote user can perform a man-in-the-middle (MitM) attack and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak System: before 2.3.3.7 iFix 01

External links

http://www.ibm.com/support/pages/node/7105365

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.