Debian DLA-3062-1 : ublock-origin - LTS security update

high Nessus Plugin ID 162610

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-3062 advisory.

- uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality). (CVE-2021-36773)

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

Solution

Upgrade the ublock-origin packages.

For Debian 9 stretch, this problem has been fixed in version 1.42.0+dfsg-1~deb9u1.

Plugin Details

Severity: High

ID: 162610

File Name: debian_DLA-3062.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/29/2022

Updated: 10/19/2023

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: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-36773

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:webext-ublock-origin-chromium, p-cpe:/a:debian:debian_linux:webext-ublock-origin-firefox, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:ublock-origin-doc, p-cpe:/a:debian:debian_linux:webext-ublock-origin

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: 6/29/2022

Vulnerability Publication Date: 7/18/2021

Reference Information

CVE: CVE-2021-36773

Detections

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