Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.2237
coturn security update
30 June 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: coturn
Publisher: Debian
Operating System: Debian GNU/Linux 9
Debian GNU/Linux 10
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-6062 CVE-2020-6061 CVE-2020-4067
Original Bulletin:
http://www.debian.org/security/2020/dsa-4711
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running coturn check for an updated version of the software for
their operating system.
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Debian Security Advisory DSA-4711-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
June 29, 2020 https://www.debian.org/security/faq
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Package : coturn
CVE ID : CVE-2020-4067 CVE-2020-6061 CVE-2020-6062
Debian Bug : 951876
Several vulnerabilities were discovered in coturn, a TURN and STUN
server for VoIP.
CVE-2020-4067
Felix Doerre reported that the STUN response buffer was not properly
initialised, which could allow an attacker to leak bytes in the
padding bytes from the connection of another client.
CVE-2020-6061
Aleksandar Nikolic reported that a crafted HTTP POST request can
lead to information leaks and other misbehavior.
CVE-2020-6062
Aleksandar Nikolic reported that a crafted HTTP POST request can
lead to server crash and denial of service.
For the oldstable distribution (stretch), these problems have been fixed
in version 4.5.0.5-1+deb9u2.
For the stable distribution (buster), these problems have been fixed in
version 4.5.1.1-1.1+deb10u1.
We recommend that you upgrade your coturn packages.
For the detailed security status of coturn please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/coturn
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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