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Debian Security Advisory DSA 4373-1 (coturn - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Multiple vulnerabilities were discovered in coTURN, a TURN and STUN server for VoIP. CVE-2018-4056 An SQL injection vulnerability was discovered in the coTURN administrator web portal. As the administration web interface is shared with the production, it is unfortunately not possible to easily filter outside access and this security update completely disable the web interface. Users should use the local, command line interface instead. CVE-2018-4058 Default configuration enables unsafe loopback forwarding. A remote attacker with access to the TURN interface can use this vulnerability to gain access to services that should be local only. CVE-2018-4059Default configuration uses an empty password for the local command line administration interface. An attacker with access to the local console (either a local attacker or a remote attacker taking advantage of CVE-2018-4058 ) could escalade privileges to administrator of the coTURN server.
Affected Software
Affected Software
coturn on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), these problems have been fixed in version 4.5.0.5-1+deb9u1. We recommend that you upgrade your coturn packages. For the detailed security status of coturn please refer to its security tracker page linked in the references.