REDHAT-BUG-2494681: Medium severity Apache Tomcat vulnerability
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache Tomcatto a version that resolves this vulnerability.Fixed in 11.0.23 - Upgrade
Upgrade
Apache Tomcatto a version that resolves this vulnerability.Fixed in 10.1.56 - Upgrade
Upgrade
Apache Tomcatto a version that resolves this vulnerability.Fixed in 9.0.119
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2494681?
The severity of REDHAT-BUG-2494681 is medium, rated at 4.
How do I fix REDHAT-BUG-2494681?
To fix REDHAT-BUG-2494681, upgrade Apache Tomcat to the latest version above 11.0.22, 10.1.55, or 9.0 relevant updates.
What systems are affected by REDHAT-BUG-2494681?
REDHAT-BUG-2494681 affects Apache Tomcat versions from 11.0.0-M1 through 11.0.22, 10.1.0-M1 through 10.1.55, and several versions of 9.0.
What type of vulnerability is REDHAT-BUG-2494681?
REDHAT-BUG-2494681 is categorized as an Always-Incorrect Control Flow Implementation vulnerability.
What impact does REDHAT-BUG-2494681 have?
The impact of REDHAT-BUG-2494681 could allow the skipping of subsequent non-OR conditions in a control flow, potentially leading to unintended behavior.