Debian DSA-4739-1 : webkit2gtk - security update

critical Nessus Plugin ID 139298

Synopsis

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

Description

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

- CVE-2020-9862 Ophir Lojkine discovered that copying a URL from the Web Inspector may lead to command injection.

- CVE-2020-9893 0011 discovered that a remote attacker may be able to cause unexpected application termination or arbitrary code execution.

- CVE-2020-9894 0011 discovered that a remote attacker may be able to cause unexpected application termination or arbitrary code execution.

- CVE-2020-9895 Wen Xu discovered that a remote attacker may be able to cause unexpected application termination or arbitrary code execution.

- CVE-2020-9915 Ayoub Ait Elmokhtar discovered that processing maliciously crafted web content may prevent Content Security Policy from being enforced.

- CVE-2020-9925 An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting.

Solution

Upgrade the webkit2gtk packages.

For the stable distribution (buster), these problems have been fixed in version 2.28.4-1~deb10u1.

See Also

https://security-tracker.debian.org/tracker/CVE-2020-9862

https://security-tracker.debian.org/tracker/CVE-2020-9893

https://security-tracker.debian.org/tracker/CVE-2020-9894

https://security-tracker.debian.org/tracker/CVE-2020-9895

https://security-tracker.debian.org/tracker/CVE-2020-9915

https://security-tracker.debian.org/tracker/CVE-2020-9925

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

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

https://www.debian.org/security/2020/dsa-4739

Plugin Details

Severity: Critical

ID: 139298

File Name: debian_DSA-4739.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/4/2020

Updated: 2/27/2024

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: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-9895

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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: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: 8/3/2020

Vulnerability Publication Date: 10/16/2020

Reference Information

CVE: CVE-2020-9862, CVE-2020-9893, CVE-2020-9894, CVE-2020-9895, CVE-2020-9915, CVE-2020-9925

DSA: 4739