Information disclosure in WebSphere Application Server

1) Information disclosure

EUVDB-ID: #VU56660

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29842

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output, when the WebSphere Application Server is configured with a federated repository. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 7.0 - 9.0.5.9

External links

http://www.ibm.com/blogs/psirt/security-bulletin-websphere-application-server-is-vulnerable-to-information-disclosure-cve-2021-29842/
http://www.ibm.com/support/pages/node/6489485
http://www.ibm.com/support/pages/node/6488623

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.