Debian DSA-5042-1 : epiphany-browser - security update

medium Nessus Plugin ID 156695

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5042 advisory.

- XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list. (CVE-2021-45085)

- XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filename is used as the pdf_name value in PDF.js. (CVE-2021-45086)

- XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title. (CVE-2021-45087)

- XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.
(CVE-2021-45088)

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 epiphany-browser packages.

For the stable distribution (bullseye), these problems have been fixed in version 3.38.2-1+deb11u1.

See Also

http://www.nessus.org/u?699d342c

https://www.debian.org/security/2022/dsa-5042

https://security-tracker.debian.org/tracker/CVE-2021-45085

https://security-tracker.debian.org/tracker/CVE-2021-45086

https://security-tracker.debian.org/tracker/CVE-2021-45087

https://security-tracker.debian.org/tracker/CVE-2021-45088

https://packages.debian.org/source/bullseye/epiphany-browser

Plugin Details

Severity: Medium

ID: 156695

File Name: debian_DSA-5042.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/13/2022

Updated: 1/13/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

CVSS Score Source: CVE-2021-45088

VPR

Risk Factor: Low

Score: 3

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:epiphany-browser, p-cpe:/a:debian:debian_linux:epiphany-browser-data, cpe:/o:debian:debian_linux:11.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2022

Vulnerability Publication Date: 12/16/2021

Reference Information

CVE: CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2021-45088