Ubuntu 20.10: USN-4690-1 High-Risk: coTURN Remote Crash Vulnerability

ubuntu

January 12, 2021

coTURN could be made to crash or run programs if it received specially crafted network traffic.

Summary

coTURN could be made to crash or run programs if it received

specially crafted network traffic.

Software Description:

- coturn: TURN and STUN server for VoIP

Details:

It was discovered that coTURN allowed peers to connect and relay packets to

loopback addresses in the range of 127.x.x.x. A malicious user could use this

vulnerability to insert packages into the loopback interface.

Topics Covered

security advisory critical issue software update update instructions critical severity ubuntu remote crash network threat network issue coTURN

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.10:
  coturn                          4.5.1.3-1ubuntu0.1

Ubuntu 20.04 LTS:
  coturn                          4.5.1.1-1.1ubuntu0.20.04.2

Ubuntu 18.04 LTS:
  coturn                          4.5.0.7-1ubuntu2.18.04.3

Ubuntu 16.04 LTS:
  coturn                          4.5.0.3-1ubuntu0.4

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