Ubuntu 18.04 LTS / 20.04 LTS : JSON Schema vulnerability (USN-6103-1)

critical Nessus Plugin ID 176323

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-6103-1 advisory.

- json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CVE-2021-3918)

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

Solution

Update the affected node-json-schema package.

See Also

https://ubuntu.com/security/notices/USN-6103-1

Plugin Details

Severity: Critical

ID: 176323

File Name: ubuntu_USN-6103-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/24/2023

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-3918

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:node-json-schema

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2023

Vulnerability Publication Date: 11/13/2021

Reference Information

CVE: CVE-2021-3918

USN: 6103-1