Description:
Apache Software Foundation has released a security advisory to address a vulnerability in the Apache Tomcat. A remote attacker may send a specially crafted HTTP request to exploit the vulnerabilities.
Affected Systems:
- Apache Tomcat 10.1.0-M1 to 10.1.0-M5
- Apache Tomcat 10.0.0-M10 to 10.0.11
- Apache Tomcat 9.0.40 to 9.0.53
- Apache Tomcat 8.5.60 to 8.5.71
Impact:
A successful exploitation of the vulnerability could lead to denial of service on an affected system.
Recommendation:
Apache Software Foundation has released new version of the products to address the issue and they can be downloaded at the following URLs:
- https://tomcat.apache.org/download-10.cgi#8.5.72
- https://tomcat.apache.org/download-10.cgi#9.0.54
- https://tomcat.apache.org/download-10.cgi#10.0.12
- https://tomcat.apache.org/download-10.cgi#10.1.0-M6
More Information:
- https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.72
- https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.54
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.12
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.0-M6
- https://www.hkcert.org/security-bulletin/apache-tomcat-denial-of-service-vulnerability_20211018
- https://us-cert.cisa.gov/ncas/current-activity/2021/10/15/apache-releases-security-advisory-tomcat
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42340
