Debian DSA-5030-1 : webkit2gtk - security update

medium Nessus Plugin ID 156267

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 10 / 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5030 advisory.

The following vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2021-30887 Narendra Bhati discovered that processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy. CVE-2021-30890 An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting. For the oldstable distribution (buster), these problems have been fixed in version 2.34.3-1~deb10u1. For the stable distribution (bullseye), these problems have been fixed in version 2.34.3-1~deb11u1. We recommend that you upgrade your webkit2gtk packages. For the detailed security status of webkit2gtk please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/webkit2gtk

Tenable has extracted the preceding description block directly from the Debian security advisory.

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

Solution

Upgrade the webkit2gtk packages.

For the stable distribution (bullseye), these problems have been fixed in version 2.34.3-1~deb11u1.

Plugin Details

Severity: Medium

ID: 156267

File Name: debian_DSA-5030.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/24/2021

Updated: 1/24/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-30890

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2021-30887

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-18, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:webkit2gtk-driver, p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.0, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-dev, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-doc, p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.0, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-bin, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-dev, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-37

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/23/2021

Vulnerability Publication Date: 8/24/2021

Reference Information

CVE: CVE-2021-30887, CVE-2021-30890

IAVA: 2021-A-0505-S

Detections

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