Ubuntu 4415-1: coTURN vulnerabilities

    Date 06 Jul 2020
    85
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in coTURN.
    ==========================================================================
    Ubuntu Security Notice USN-4415-1
    July 06, 2020
    
    coturn vulnerabilities
    ==========================================================================
    
    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
    

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