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GHSA-r6j3-px5g-cq3x

Apache Tomcat Improper Input Validation vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2023-45648

Packages

EcosystemPackageAffectedFixed in
Maven org.apache.tomcat:tomcat >= 11.0.0-M1, < 11.0.0-M12 11.0.0-M12
Maven org.apache.tomcat:tomcat >= 10.1.0-M1, < 10.1.14 10.1.14
Maven org.apache.tomcat:tomcat >= 9.0.0-M1, < 9.0.81 9.0.81
Maven org.apache.tomcat:tomcat >= 8.5.0, < 8.5.94 8.5.94
Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.0-M12 11.0.0-M12
Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.14 10.1.14
Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.0-M1, < 9.0.81 9.0.81
Maven org.apache.tomcat.embed:tomcat-embed-core >= 8.5.0, < 8.5.94 8.5.94
Maven org.apache.tomcat:tomcat-coyote >= 11.0.0-M1, < 11.0.0-M12 11.0.0-M12
Maven org.apache.tomcat:tomcat-coyote >= 10.1.0-M1, < 10.1.14 10.1.14
Maven org.apache.tomcat:tomcat-coyote >= 9.0.0-M1, < 9.0.81 9.0.81
Maven org.apache.tomcat:tomcat-coyote >= 8.5.0, < 8.5.94 8.5.94

Details

As written in the advisory (Markdown source, shown as plain text).

Improper Input Validation vulnerability in Apache Tomcat. Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially crafted, invalid trailer header could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.

References

External links from the advisory. They lead to third-party sites.