CVE-2018-5112: High severity firefox vulnerability

Published Jan 23, 2018
·
Updated

Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but this requirement was not enforced in all instances. This could allow the development tools panel for the extension to load a URL that it should not be able to access, including potentially privileged pages.

Affected Software

6 affected componentsFixes available
debian/firefox
131.0.2-2
Mozilla Firefox<=57.0.4
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.10
Mozilla Firefox<58
58

Event History

Jan 23, 2018
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:05 PM
Description
Sep 20, 2024
Data Sourced
via Ubuntu·12:44 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·12:44 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2018-5112?

CVE-2018-5112 is a vulnerability in the Development Tools panels of Mozilla Firefox and Ubuntu Firefox that allows the panels to load URLs that they should not be able to access.

2

What is the severity of CVE-2018-5112?

CVE-2018-5112 has a severity value of 7.5, which is considered high.

3

How can the development tools panel in Firefox load unauthorized URLs?

The development tools panel in Firefox can load unauthorized URLs due to a lack of enforcement of the requirement to load URLs as relative URLs from the extension manifest file.

4

Which versions of Firefox are affected by CVE-2018-5112?

Versions up to and exclusive of Firefox 58.0 are affected by CVE-2018-5112.

5

How can I fix CVE-2018-5112 in Firefox?

To fix CVE-2018-5112 in Firefox, update to version 58.0 or newer.

Contact

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