Debian DSA-4711-1 : coturn - security update

critical Nessus Plugin ID 137888

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Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities were discovered in coturn, a TURN and STUN server for VoIP.

- CVE-2020-4067 Felix Doerre reported that the STUN response buffer was not properly initialised, which could allow an attacker to leak bytes in the padding bytes from the connection of another client.

- CVE-2020-6061 Aleksandar Nikolic reported that a crafted HTTP POST request can lead to information leaks and other misbehavior.

- CVE-2020-6062 Aleksandar Nikolic reported that a crafted HTTP POST request can lead to server crash and denial of service.

Solution

Upgrade the coturn packages.

For the oldstable distribution (stretch), these problems have been fixed in version 4.5.0.5-1+deb9u2.

For the stable distribution (buster), these problems have been fixed in version 4.5.1.1-1.1+deb10u1.

Plugin Details

Severity: Critical

ID: 137888

File Name: debian_DSA-4711.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/30/2020

Updated: 3/5/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-6061

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:coturn, cpe:/o:debian:debian_linux:10.0, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/29/2020

Vulnerability Publication Date: 2/19/2020

Reference Information

CVE: CVE-2020-4067, CVE-2020-6061, CVE-2020-6062

DSA: 4711

Detections

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