Debian DSA-4627-1 : webkit2gtk - security update

high Nessus Plugin ID 133734

Synopsis

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

Description

The following vulnerabilities have been discovered in the webkit2gtk web engine :

- CVE-2020-3862 Srikanth Gatta discovered that a malicious website may be able to cause a denial of service.

- CVE-2020-3864 Ryan Pickren discovered that a DOM object context may not have had a unique security origin.

- CVE-2020-3865 Ryan Pickren discovered that a top-level DOM object context may have incorrectly been considered secure.

- CVE-2020-3867 An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting.

- CVE-2020-3868 Marcin Towalski discovered that processing maliciously crafted web content may lead to arbitrary code execution.

Solution

Upgrade the webkit2gtk packages.

For the stable distribution (buster), these problems have been fixed in version 2.26.4-1~deb10u1.

See Also

https://security-tracker.debian.org/tracker/CVE-2020-3862

https://security-tracker.debian.org/tracker/CVE-2020-3864

https://security-tracker.debian.org/tracker/CVE-2020-3865

https://security-tracker.debian.org/tracker/CVE-2020-3867

https://security-tracker.debian.org/tracker/CVE-2020-3868

https://security-tracker.debian.org/tracker/source-package/webkit2gtk

https://packages.debian.org/source/buster/webkit2gtk

https://www.debian.org/security/2020/dsa-4627

Plugin Details

Severity: High

ID: 133734

File Name: debian_DSA-4627.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/18/2020

Updated: 3/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2020-3868

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:webkit2gtk

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/17/2020

Vulnerability Publication Date: 2/27/2020

Reference Information

CVE: CVE-2020-3862, CVE-2020-3864, CVE-2020-3865, CVE-2020-3867, CVE-2020-3868

DSA: 4627