QID 150835

Date Published: 2024-03-18

QID 150835: Apache Tomcat Multiple Denial of Service (DoS) Vulnerabilities (CVE-2024-23672, CVE-2024-24549)

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

Affected versions of Apache Tomcat has multiple vulnerabilities:
CVE-2024-23672: It was possible for a WebSocket client to keep a WebSocket connection open leading to increased resource consumption.
CVE-2024-24549: When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.

Affected Versions:
Apache Tomcat 11.0.0-M1 to 11.0.0-M16
Apache Tomcat 10.1.0-M1 to 10.1.18
Apache Tomcat 9.0.0-M1 to 9.0.85
Apache Tomcat 8.5.0 to 8.5.98

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.

Successful exploitation of the vulnerability can allow an attacker to trigger a DoS.

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-M17 or later
Apache Tomcat 10.1.19 or later
Apache Tomcat 9.0.86 or later
Apache Tomcat 8.5.99 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 10 - tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.19
Apache Tomcat 11 - tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.0-M17
Apache Tomcat 8 - tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.99
Apache Tomcat 9 - tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.86

CVEs related to QID 150835

CVE-2024-23672 | CVE-2024-24549 |

Software Advisories

Advisory ID	Software	Component	Link
Apache Tomcat			tomcat.apache.org/download-11.cgi
Apache Tomcat			tomcat.apache.org/download-80.cgi
Apache Tomcat			tomcat.apache.org/download-90.cgi
Apache Tomcat			tomcat.apache.org/download-10.cgi

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