Description
Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.
Remediation
References
https://github.com/jdordonezn/CVE-2020-72381/issues/1
https://netty.io/news/
https://access.redhat.com/errata/RHSA-2020:0497
https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html
https://lists.debian.org/debian-lts-announce/2020/02/msg00017.html
https://access.redhat.com/errata/RHSA-2020:0601
https://access.redhat.com/errata/RHSA-2020:0606
https://access.redhat.com/errata/RHSA-2020:0605
https://access.redhat.com/errata/RHSA-2020:0567
https://access.redhat.com/errata/RHSA-2020:0804
https://access.redhat.com/errata/RHSA-2020:0805
https://access.redhat.com/errata/RHSA-2020:0811
https://access.redhat.com/errata/RHSA-2020:0806
https://lists.debian.org/debian-lts-announce/2020/09/msg00003.html
https://www.debian.org/security/2021/dsa-4885
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TS6VX7OMXPDJIU5LRGUAHRK6MENAVJ46/
https://lists.apache.org/thread.html/rc8d554aad889d12b140d9fd7d2d6fc2e8716e9792f6f4e4b2cdc2d05%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r131e572d003914843552fa45c4398b9903fb74144986e8b107c0a3a7%40%3Ccommits.cassandra.apache.org%3E