Clickjacking attack in IBM WebSphere Application Server

1) Spoofing attack

EUVDB-ID: #VU60870

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-39038

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform clickjacking attack.

The vulnerability exists due to incorrect processing of user-supplied data, when REST API discovery is configured through the WebSphere administrative console Web Container settings to enable the API Discovery service, or through IBM WebSphere Application Server Liberty features mpOpenAPI-1.0, mpOpenAPI-1.1, mpOpenAPI-2.0, apiDiscovery-1.0, openapi-3.0 or openapi-3.1. A remote attacker can perform clickjacking attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 9.0 - 9.0.5.10

IBM WebSphere Application Server Liberty: 17.0.0.3 - 22.0.0.2

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server:9.0.5.10:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:22.0.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:22.0.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_websphere_application_server_liberty:21.0.0.12:*:*:*:*:*:*:*

External links

http://www.ibm.com/support/pages/node/6559044

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.