Debian LTS Advisory ([SECURITY] [DLA 1671-1] coturn security update)

Published: 2019-02-10 23:00:00
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
coturn on Debian Linux

Recommendations:
For Debian 8 'Jessie', these problems have been fixed in version 4.2.1.2-1+deb8u1. We recommend that you upgrade your coturn Linux Distribution Packages.

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 disables 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-2018-4059 Default 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.

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2018-4056
https://nvd.nist.gov/vuln/detail/CVE-2018-4058
https://nvd.nist.gov/vuln/detail/CVE-2018-4059

References:

https://lists.debian.org/debian-lts-announce/2019/02/msg00017.html

Severity
High
CVSS Score
10.0
Published
2019-02-10
Modified
2019-04-01
Category
Debian Local Security Checks

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