Ubuntu Security Notice 4415-1 - Felix Doerre discovered that coTURN response buffer is not initialized properly. An attacker could possibly use this issue to obtain sensitive information. 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. Various other issues were also addressed.
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Ubuntu Security Notice USN-4415-1
July 06, 2020
coturn vulnerabilities
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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