USN-5370-1: Firefox vulnerabilities

Publication date

7 April 2022

Overview

Firefox could be made to crash or run programs as your login if it opened a malicious website.


Packages

  • firefox - Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, execute script
unexpectedly, obtain sensitive information, conduct spoofing attacks,
or execute arbitrary code. (CVE-2022-1097, CVE-2022-24713, CVE-2022-28281,
CVE-2022-28282, CVE-2022-28284, CVE-2022-28285, CVE-2022-28286,
CVE-2022-28288, CVE-2022-28289)

A security issue was discovered with the sourceMapURL feature of devtools.
An attacker could potentially exploit this to include local files that
should...

Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, execute script
unexpectedly, obtain sensitive information, conduct spoofing attacks,
or execute arbitrary code. (CVE-2022-1097, CVE-2022-24713, CVE-2022-28281,
CVE-2022-28282, CVE-2022-28284, CVE-2022-28285, CVE-2022-28286,
CVE-2022-28288, CVE-2022-28289)

A security issue was discovered with the sourceMapURL feature of devtools.
An attacker could potentially exploit this to include local files that
should have been inaccessible. (CVE-2022-28283)

It was discovered that selecting text caused Firefox to crash in some
circumstances. An attacker could potentially exploit this to cause a
denial of service. (CVE-2022-28287)


Update instructions

After a standard system update you need to restart Firefox to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
21.10 impish firefox –  99.0+build2-0ubuntu0.21.10.2
20.04 focal firefox –  99.0+build2-0ubuntu0.20.04.2
18.04 bionic firefox –  99.0+build2-0ubuntu0.18.04.2

Reduce your security exposure

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