QID 730042

Date Published: 2021-04-15

QID 730042: Apache Tomcat Duplicate Request Headers Vulnerabilities

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

When responding to new h2c connection requests, Apache Tomcat could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Affected Versions:
Apache Tomcat 8.5.0 to 8.5.61

QID Detection Logic (Unauthenticated):
The QID checks for vulnerable version by sending a GET /QUALYS13827 HTTP/1.0 request which helps in retrieving the installed version of Apache Tomcat in the banner of the response.

Apache Tomcat could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Upgrade to the Apache Tomcat 8.5.63 or to the latest version of Apache Tomcat. Please refer to Apache Tomcat Website.

    Vendor References

    CVEs related to QID 730042

    CVE-2021-25122 |
    Software Advisories
    Advisory ID Software Component Link
    Apache_Tomcat_8.5.63 URL Logo tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.63
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