CVE-2020-8201

Name	CVE-2020-8201
Description	Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.
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
nodejs (PTS)	bullseye	12.22.12~dfsg-1~deb11u4	fixed
	bullseye (security)	12.22.12~dfsg-1~deb11u5	fixed
	bookworm	18.19.0+dfsg-6~deb12u2	fixed
	bookworm (security)	18.19.0+dfsg-6~deb12u1	fixed
	sid, trixie	20.18.3+dfsg-1	fixed

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

Package	Type	Release	Fixed Version
nodejs	source	stretch	(not affected)
nodejs	source	buster	(not affected)
nodejs	source	(unstable)	12.18.4~dfsg-1

Notes

[buster] - nodejs <not-affected> (Only affects 12.x and later)
[stretch] - nodejs <not-affected> (Only affects 12.x and later)
https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/#http-request-smuggling-due-to-cr-to-hyphen-conversion-high-cve-2020-8201