Security Bulletin: IBM CICS TX Advanced is vulnerable to arbitrary code execution due to IBM WebSphere Application Server Liberty (CVE-2021-23450)

Summary

WebSphere Application Server Liberty is used by IBM CICS TX Advanced to provide a web based administration console. The fix removes the arbitrary code execution vulnerability CVE-2021-23450 from Liberty.

Vulnerability Details

CVEID:CVE-2021-23450
**DESCRIPTION:**Dojo could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution in the setObject function. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216463 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability by downloading and applying the interim fixes from the table below

Product

| Version| Defect| Remediation / First Fix
—|—|—|—
IBM CICS TX Advanced|

11.1

| 127708| Download fix from here
IBM CICS TX Advanced|

10.1

| 127708| Download fix from here

Workarounds and Mitigations

None