[OFBIZ-12337] [SECURITY] CVE-2021-42340 Apache Tomcat DoS

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Trunk
• Fix Version/s: Release Branch 17.12, 18.12.01
• Component/s: framework/base
• Sprint: Bug Crush Event - 21/2/2015
• Assignee: Jacques Le Roux
• Reporter: Jacques Le Roux
• Created: 14/Oct/21 18:23
• Updated: 14/Oct/21 20:37
• Resolved: 14/Oct/21 20:37

Description

CVE-2021-42340 Denial of Service

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 10.1.0-M1 to 10.1.0-M5
Apache Tomcat 10.0.0-M10 to 10.0.11
Apache Tomcat 9.0.40 to 9.0.53
Apache Tomcat 8.5.60 to 8.5.71

Description:
The fix for bug 63362 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the WebSocket connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:

• Upgrade to Apache Tomcat 10.1.0-M6 or later
• Upgrade to Apache Tomcat 10.0.12 or later
• Upgrade to Apache Tomcat 9.0.54 or later
• Upgrade to Apache Tomcat 8.5.72 or later

History:
2021-10-14 Original advisory
2021-10-14 Correct CVE reference in body of advisory

References:
[1] https://tomcat.apache.org/security-10.html
[2] https://tomcat.apache.org/security-9.html
[3] https://tomcat.apache.org/security-8.html