Debian DLA-1661-1 : mumble security update

high Nessus Plugin ID 121624

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Synopsis

The remote Debian host is missing a security update.

Description

It has been found that the mumble-server mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood. With the new security update a rate limiter is added with Leaky-Bucket algorithm.

For Debian 8 'Jessie', this problem has been fixed in version 1.2.8-2+deb8u1.

We recommend that you upgrade your mumble 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 mumble, mumble-dbg, and mumble-server packages.

Plugin Details

Severity: High

ID: 121624

File Name: debian_DLA-1661.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/7/2019

Updated: 6/24/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-20743

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:mumble, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:mumble-dbg, p-cpe:/a:debian:debian_linux:mumble-server

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/6/2019

Vulnerability Publication Date: 1/25/2019

Reference Information

CVE: CVE-2018-20743

Detections

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