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Debian Security Advisory DSA 4373-1 (coturn - security update)

Information

Severity

Severity

Critical

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)