Security Bulletin
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
| Affected Product(s) | Version(s) |
| IBM UrbanCode Release | 6.2.5.3 - 6.2.5.5 |
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) |
Remediation/Fix |
|
IBM UrbanCode Release 6.2.5.3 - 6.2.5.5 |
Download IBM UrbanCode Release 6.2.5.6 – Includes Apache Tomcat 8.5.79 |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
24 Jan 2022: 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
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Document Information
Modified date:
18 July 2022
UID
ibm16604981