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Debian DLA-1671-1 : coturn security update
critical Nessus Plugin ID 122098
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Synopsis
The remote Debian host is missing a security update.Description
Multiple vulnerabilities were discovered in coTURN, a TURN and STUN server for VoIP.CVE-2018-4056
A 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.
For Debian 8 'Jessie', these problems have been fixed in version 4.2.1.2-1+deb8u1.
We recommend that you upgrade your coturn packages.
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Upgrade the affected coturn package.See Also
https://lists.debian.org/debian-lts-announce/2019/02/msg00017.html
Plugin Details
Severity: Critical
ID: 122098
File Name: debian_DLA-1671.nasl
Version: 1.6
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 2/12/2019
Updated: 1/11/2021
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:coturn, cpe:/o:debian:debian_linux:8.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 2/11/2019
Vulnerability Publication Date: 2/5/2019