CVE-2023-45648 Apache Tomcat - Request Smuggling
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.0-M11
Apache Tomcat 10.1.0-M1 to 10.1.13
Apache Tomcat 9.0.0-M1 to 9.0.80
Apache Tomcat 8.5.0 to 8.5.93
Description:
Tomcat did not correctly parse HTTP trailer headers. A specially
crafted, invalid trailer header could cause Tomcat to treat a single
request as multiple requests leading to the possibility of request
smuggling when behind a reverse proxy.
Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.0-M12 or later
- Upgrade to Apache Tomcat 10.1.14 or later
- Upgrade to Apache Tomcat 9.0.81 or later
- Upgrade to Apache Tomcat 8.5.94 or later
Credit:
This vulnerability was reported responsibly to the Tomcat security team
by Keran Mu and Jianjun Chen from Tsinghua University and Zhongguancun
Laboratory.
History:
2023-10-10 Original advisory
References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html
[4] https://tomcat.apache.org/security-8.html
