CVE-2020-10687

Name	CVE-2020-10687
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
undertow (PTS)	sid, trixie	2.3.8-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
undertow	source	(unstable)	2.2.0-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1785049
https://issues.jboss.org/browse/UNDERTOW-1780
https://github.com/undertow-io/undertow/pull/951
https://github.com/undertow-io/undertow/commit/a18574a4da09449d855c0a7e58dfca3e9e2e488e (2.2.0.Final)