Security Bulletin: IBM Engineering Test Management is vulnerable to denial of service due to XStream (CVE-2021-43859)

Summary

This Security Vulnerablity has been addressed in IBM Engineering Test Management. A fix is available to address the vulnerability.

Vulnerability Details

CVEID:CVE-2021-43859
**DESCRIPTION:**XStream is vulnerable to a denial of service, caused by improper input validation. By injecting highly recursive collections or maps, a remote attacker could exploit this vulnerability to allocate 100% CPU time on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219177 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading and applying the suggested fix that uses upgraded version of XStream.

Suggested :

Product(s)|**Version(s)
**|Remediation/Fix/Instructions
—|—|—
Engineering Test Management | 7.0.1|

Download and apply ETM 7.0.1 iFix21 from Fix Central here

Engineering Test Management | 7.0.2| Download and apply ETM 7.0.2 iFix22 from Fix Central here

Workarounds and Mitigations

None