Ubuntu 20.04 LTS: USN-4415-1 critical: coTURN Information Leak and DoS

ubuntu

July 6, 2020

Several security issues were fixed in coTURN.

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)

Topics Covered

security advisory denial of service information leak ubuntu coturn

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.