IBM Support

Security Bulletin: Information disclosure vulnerability in WebSphere Application Server Liberty

Security Bulletin


Summary

This security bulletin addresses the Information Disclosure vulnerability that has been found to impact Websphere Liberty in IBM Tivoli Application Dependency Discovery Manager.

Vulnerability Details

CVEID:   CVE-2021-26296
DESCRIPTION:   Apache MyFaces is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to perform unauthorized actions. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197017 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Tivoli Application Dependency Discovery Manager 7.3.0.3 - 7.3.0.8

Remediation/Fixes

The eFix in the table below can be downloaded and applied directly.
Fix VRMF APAR How to acquire fix
efix_WLP_PSIRT_21004_FP6190313.zip       7.3.0.5 - 7.3.0.6 None      Download eFix
efix_WLP_PSIRT_21004_FP8201126.zip  7.3.0.7 -7.3.0.8 None Download eFix
Note:
Before TADDM 7.3.0.5, Java 7 was used and the upgraded Liberty version 21.0.0.4 requires Java8. Hence, no eFix can be provided for versions before 7.3.0.5.
For customers on TADDM FixPack 3 or FixPack 4, recommendation is to upgrade to a later version and then follow the steps mentioned above.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

24 May 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSPLFC","label":"Tivoli Application Dependency Discovery Manager"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"7.3.0.0 - 7.3.0.8","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
03 September 2021

Initial Publish date:
24 May 2021

UID

ibm16455913

Page Feedback