HTTP Request Smuggling Affecting io.netty:netty-codec-http Open this link in a new tab package, versions [,4.1.42.Final)
Exploit Maturity
Proof of concept
Attack Complexity
Low
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications-
snyk-id
SNYK-JAVA-IONETTY-469234
-
published
26 Sep 2019
-
disclosed
26 Sep 2019
-
credit
axeBig
Introduced: 26 Sep 2019
CVE-2019-16869 Open this link in a new tabHow to fix?
Upgrade io.netty:netty-codec-http
to version 4.1.42.Final or higher.
Overview
io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients.
Affected versions of this package are vulnerable to HTTP Request Smuggling. Netty mishandles whitespace before the colon in HTTP headers such as a Transfer-Encoding : chunked
line. This can lead to HTTP request smuggling where an attacker can bypass security controls, gain unauthorized access to sensitive data, and directly compromise other application users.