QID 150695

Date Published: 2023-06-28

QID 150695: Apache Tomcat Information Disclosure Vulnerability (CVE-2023-34981)

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

The fix for bug 66512 introduced a regression in Apache Tomcat, if a response did not have any HTTP headers set, no AJP SEND_HEADERS message would be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.

Affected Products:
Apache Tomcat 11.0.0-M5
Apache Tomcat 10.1.8
Apache Tomcat 9.0.74
Apache Tomcat 8.5.88

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 could disclose sensitive information to an attacker.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Upgrade to the latest version of Apache Tomcat. For more information regarding this vulnerability please refer to Apache Security.
    Vendor References

    CVEs related to QID 150695

    CVE-2023-34981 |
    Software Advisories
    Advisory ID Software Component Link
    Apache Tomcat Downloads URL Logo tomcat.apache.org/whichversion.html
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