QID 150452

Date Published: 2022-01-20

QID 150452: Apache Tomcat h2c request mix-up vulnerability (CVE-2021-25122)

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

Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by a flaw when responding to new h2c connection requests. By sending a specially-crafted request, an attacker could exploit this vulnerability to see the request body information from one request to another, and use this information to launch further attacks against the affected system.

Affected Versions:
Apache Tomcat 10.0.0-M1 to 10.0.0
Apache Tomcat 9.0.0.M1 to 9.0.41
Apache Tomcat 8.5.0 to 8.5.61

This vulnerability may lead to exposure of sensitive information to an unauthorized actor

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Upgrade to the Apache Tomcat 10.0.2, 9.0.43, 8.5.63 versions or to the latest version of Apache Tomcat. Please refer to Apache Tomcat Security Advisory.

Vendor References

Apache Tomcat v10.0.2 - tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.2
Apache Tomcat v8.5.63 - tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.63
Apache Tomcat v9.0.43 - tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.43

CVEs related to QID 150452

CVE-2021-25122 |

Software Advisories

Advisory ID	Software	Component	Link
Apache Tomcat v10.0.2			tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.2
Apache Tomcat v8.5.63			tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.63
Apache Tomcat v9.0.43			tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.43

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