GHSA-767j-jfh2-jvrc

Potential HTTP request smuggling in Apache Tomcat

At a glance

Published
Updated
CVE
CVE-2019-17569
CVSS_V3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The refactoring present in Apache Tomcat versions 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.

Affected packages

PackageVersions
Maven · org.apache.tomcat.embed:tomcat-embed-coreintroduced 7.0.98, fixed 7.0.100
Maven · org.apache.tomcat.embed:tomcat-embed-coreintroduced 8.5.48, fixed 8.5.51
Maven · org.apache.tomcat.embed:tomcat-embed-coreintroduced 9.0.28, fixed 9.0.31
Maven · org.apache.tomcat:tomcatintroduced 7.0.98, fixed 7.0.100
Maven · org.apache.tomcat:tomcatintroduced 8.5.48, fixed 8.5.51
Maven · org.apache.tomcat:tomcatintroduced 9.0.28, fixed 9.0.31

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database