Security Information / 2020 / Security Information -- DSA-4711-1 coturn

Debian Security Advisory

DSA-4711-1 coturn -- security update

Date Reported:

29 Jun 2020

Affected Packages:

coturn

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 951876.
In Mitre's CVE dictionary: CVE-2020-4067, CVE-2020-6061, CVE-2020-6062.

More information:

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