QID 150755

Date Published: 2023-12-06

QID 150755: Apache Tomcat Request Smuggling Vulnerability (CVE-2023-46589)

Apache Tomcat is an open source web server and servlet container developed by the Apache Software Foundation.

Tomcat did not correctly parse HTTP trailer headers. A specially crafted trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy.

Affected Versions:
Apache Tomcat 11.0.0-M1 to 11.0.0-M10
Apache Tomcat 10.1.0-M1 to 10.1.15
Apache Tomcat 9.0.0-M1 to 9.0.82
Apache Tomcat 8.5.0 to 8.5.95

QID Detection Logic (Unauthenticated):
This QID sends a HTTP GET request to a invalid URL and based on the response confirms the vulnerable instance of Apache Tomcat running on the host.

Exploitation of the vulnerability could lead to HTTP request smuggling attack.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

Customers are advised to upgrade relevant versions of Apache Tomcat:
Apache Tomcat 11.0.0-M11 or later
Apache Tomcat 10.1.16 or later
Apache Tomcat 9.0.83 or later
Apache Tomcat 8.5.96 or later
For more information on this vulnerability please refer Apache Tomcat 8 Security Advisory, Apache Tomcat 9 Security Advisory, Apache Tomcat 10 Security Advisory, Apache Tomcat 11 Security Advisory.

Vendor References

Apache Tomcat - lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr

CVEs related to QID 150755

CVE-2023-46589 |

Software Advisories

Advisory ID	Software	Component	Link
Apache Tomcat			lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr

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