CVE-2023-45648

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
10/10/2023
Last modified:
13/02/2025

Description

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially <br /> crafted, invalid trailer header could cause Tomcat to treat a single <br /> request as multiple requests leading to the possibility of request <br /> smuggling when behind a reverse proxy.<br /> <br /> Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 8.5.0 (including) 8.5.94 (excluding)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 9.0.1 (including) 9.0.81 (excluding)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 10.1.1 (including) 10.1.14 (excluding)
cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*