Cross-Site Scripting in IBM Business Automation Workflow and IBM Business Process Manager (BPM)

1) Cross-site scripting

EUVDB-ID: #VU67526

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29834

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Business Automation Workflow: 18.0.0.0 - 21.0.2

IBM Business Process Manager: 8.5.0.0 - 8.6.0

External links

http://www.ibm.com/blogs/psirt/security-bulletin-cross-site-scripting-vulnerability-affect-ibm-business-automation-workflow-and-ibm-business-process-manager-bpm-cve-2021-29834/
http://www.ibm.com/support/pages/node/6493271

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.