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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10687
Reference (s):
- https://security.netapp.com/advisory/ntap-20220210-0015/
- https://bugzilla.redhat.com/show_bug.cgi?id=1785049
- URL: https://bugzilla.redhat.com/show_bug.cgi?id=1785049
- MLIST:[cxf-dev] 20210129 Undertow CVE
- URL: https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c@%3Cdev.cxf.apache.org%3E