Debian DLA-2554-1 : firejail security update

high Nessus Plugin ID 146466

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Synopsis

The remote Debian host is missing a security update.

Description

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail.

For Debian 9 stretch, this problem has been fixed in version 0.9.44.8-2+deb9u2.

We recommend that you upgrade your firejail packages.

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

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 firejail package.

Plugin Details

Severity: High

ID: 146466

File Name: debian_DLA-2554.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/12/2021

Updated: 1/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2021-26910

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/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:firejail, 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: 2/11/2021

Vulnerability Publication Date: 2/8/2021

Reference Information

CVE: CVE-2021-26910

Detections

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