Denial of service in Liberty for Java for IBM Cloud

1) Improper input validation

EUVDB-ID: #VU65486

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24839

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Centralized Third Party Jars (NekoHTML) component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Liberty for Java for IBM Cloud: before 3.75-20221012-1015

External links

http://www.ibm.com/blogs/psirt/security-bulletin-liberty-for-java-for-ibm-cloud-is-vulnerable-to-a-denial-of-service-due-to-neko-html-cve-2022-24839/
http://www.ibm.com/support/pages/node/6832378

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.