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Debian DSA-4849-1 : firejail - security update

high Nessus Plugin ID 146357

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Synopsis

The remote Debian host is missing a security-related 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.

Solution

Upgrade the firejail packages.

For the stable distribution (buster), this problem has been fixed in version 0.9.58.2-2+deb10u2.

See Also

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

https://packages.debian.org/source/buster/firejail

https://www.debian.org/security/2021/dsa-4849

Plugin Details

Severity: High

ID: 146357

File Name: debian_DSA-4849.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/10/2021

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:10.0

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: 2/9/2021

Vulnerability Publication Date: 2/8/2021

Reference Information

CVE: CVE-2021-26910

DSA: 4849