Clickjacking attack in IBM InfoSphere Information 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 update from vendor's website.

Vulnerable software versions

IBM InfoSphere Information Server: before 11.7.1.4

External links

http://www.ibm.com/blogs/psirt/security-bulletin-a-clickjacking-vulnerability-in-websphere-application-server-liberty-affects-ibm-infosphere-information-server/
http://www.ibm.com/support/pages/node/6829315

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.