USN-4415-1: coTURN vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• 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

• 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

• coturn - 4.5.0.7-1ubuntu2.18.04.2

Ubuntu 16.04

• coturn - 4.5.0.3-1ubuntu0.3

In general, a standard system update will make all the necessary changes.

References

• CVE-2020-6061
• CVE-2020-6062
• CVE-2020-4067