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Debian DLA-2665-1 : ring security update

medium Nessus Plugin ID 149854

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Synopsis

The remote Debian host is missing a security update.

Description

An issue has been found in ring, a secure and distributed voice, video and chat platform. Actually the embedded copy of pjproject is affected by this CVE. Due to bad handling of two consecutive crafted answers to an INVITE, the attacker is able to crash the server resulting in a denial of service.

For Debian 9 stretch, this problem has been fixed in version 20161221.2.7bd7d91~dfsg1-1+deb9u1.

We recommend that you upgrade your ring packages.

For the detailed security status of ring please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ring

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 ring, and ring-daemon packages.

See Also

https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html

https://packages.debian.org/source/stretch/ring

https://security-tracker.debian.org/tracker/source-package/ring

Plugin Details

Severity: Medium

ID: 149854

File Name: debian_DLA-2665.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/24/2021

Updated: 1/12/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-21375

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:ring-daemon, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:ring

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: 5/23/2021

Vulnerability Publication Date: 3/10/2021

Reference Information

CVE: CVE-2021-21375