Description
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
Remediation
References
Related Vulnerabilities
TYPO3 Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2013-4321)
WordPress Plugin WordPress Infinite Scroll-Ajax Load More Unspecified Vulnerability (2.11.0)
Apache HTTP Server CVE-2005-2700 Vulnerability (CVE-2005-2700)
MyBB URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2019-20225)