========================================================================== Ubuntu Security Notice USN-4415-1 July 06, 2020 coturn vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in coTURN. Software Description: - coturn: TURN and STUN server for VoIP Details: Felix Dörre discovered that coTURN response buffer is not initialized properly. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-4067) It was discovered that coTURN web server incorrectly handled HTTP POST requests. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or other unspecified impact. (CVE-2020-6061, CVE-2020-6062) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: coturn 4.5.1.1-1.1ubuntu0.20.04.1 Ubuntu 19.10: coturn 4.5.1.1-1.1ubuntu0.19.10.1 Ubuntu 18.04 LTS: coturn 4.5.0.7-1ubuntu2.18.04.2 Ubuntu 16.04 LTS: coturn 4.5.0.3-1ubuntu0.3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4415-1 CVE-2020-4067, CVE-2020-6061, CVE-2020-6062 Package Information: https://launchpad.net/ubuntu/+source/coturn/4.5.1.1-1.1ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/coturn/4.5.1.1-1.1ubuntu0.19.10.1 https://launchpad.net/ubuntu/+source/coturn/4.5.0.7-1ubuntu2.18.04.2 https://launchpad.net/ubuntu/+source/coturn/4.5.0.3-1ubuntu0.3