CVE-2020-6062

NameCVE-2020-6062
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4711-1
NVD severitymedium
Debian Bugs951876

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
coturn (PTS)stretch (security), stretch4.5.0.5-1+deb9u2fixed
buster, buster (security)4.5.1.1-1.1+deb10u1fixed
sid4.5.1.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
coturnsourcejessie(not affected)
coturnsourcestretch4.5.0.5-1+deb9u2DSA-4711-1
coturnsourcebuster4.5.1.1-1.1+deb10u1DSA-4711-1
coturnsource(unstable)4.5.1.1-1.2951876

Notes

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

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