1. Ubuntu Security Notices
  2. USN-4690-1

USN-4690-1: coTURN vulnerability

Publication date

11 January 2021

Overview

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

Releases

Packages

  • 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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.10 groovy coturn –  4.5.1.3-1ubuntu0.1
20.04 focal coturn –  4.5.1.1-1.1ubuntu0.20.04.2
18.04 bionic coturn –  4.5.0.7-1ubuntu2.18.04.3
16.04 xenial coturn –  4.5.0.3-1ubuntu0.4

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References

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