Security Bulletin: IBM UrbanCode Release is vulnerable to a denial of service due to use of Apache Tomcat CVE-2021-42340.

Summary

Apache Tomcat is used by IBM UrbanCode Release. This fix includes Apache Tomcat 8.5.79.

Vulnerability Details

CVEID:CVE-2021-42340
**DESCRIPTION:**Apache Tomcat is vulnerable to a denial of service, caused by a memory leak flaw in WebSocket connections. By sending a specially-crafted request using OutOfMemoryError, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211354 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 to IBM UrbanCode Release version 6.2.5.6 or above.

Affected Supporting Product(s)

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Remediation/Fix

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IBM UrbanCode Release 6.2.5.3 - 6.2.5.5

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Download IBM UrbanCode Release 6.2.5.6 – Includes Apache Tomcat8.5.79

Workarounds and Mitigations

None