Debian DSA-5067-1 : ruby2.7 - security update

critical Nessus Plugin ID 157380

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5067 advisory.

Several vulnerabilities have been discovered in the interpreter for the Ruby language and the Rubygems included, which may result in information disclosure or denial of service. For the stable distribution (bullseye), these problems have been fixed in version 2.7.4-1+deb11u1. We recommend that you upgrade your ruby2.7 packages. For the detailed security status of ruby2.7 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ruby2.7

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the ruby2.7 packages.

For the stable distribution (bullseye), these problems have been fixed in version 2.7.4-1+deb11u1.

Plugin Details

Severity: Critical

ID: 157380

File Name: debian_DSA-5067.nasl

Version: 1.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/4/2022

Updated: 1/24/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous 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-2021-41816

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:ruby2.7, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:ruby2.7-doc, p-cpe:/a:debian:debian_linux:ruby2.7-dev, p-cpe:/a:debian:debian_linux:libruby2.7

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: 2/3/2022

Vulnerability Publication Date: 1/1/2022

Reference Information

CVE: CVE-2021-41816, CVE-2021-41817, CVE-2021-41819

Detections

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