CVE-2020-6062

Name	CVE-2020-6062
Description	An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to send an HTTP request to trigger this vulnerability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-4711-1
Debian Bugs	951876

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
coturn (PTS)	buster, buster (security)	4.5.1.1-1.1+deb10u2	fixed
	bullseye	4.5.2-3	fixed
	bookworm, sid	4.6.1-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
coturn	source	jessie	(not affected)
coturn	source	stretch	4.5.0.5-1+deb9u2	DSA-4711-1
coturn	source	buster	4.5.1.1-1.1+deb10u1	DSA-4711-1
coturn	source	(unstable)	4.5.1.1-1.2		951876

Notes

[jessie] - coturn <not-affected> (Vulnerable code introduced later)
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0985
https://github.com/coturn/coturn/commit/e09bcd9f7af5b32c81b37f51835b384b5a7d03a8