CVE-2018-5106: Infoleak

Published Jan 23, 2018
·
Updated

Last updated 24 July 2024

Other sources

Style editor traffic in the Developer Tools can be routed through a service worker hosted on a third party website if a user selects error links when these tools are open. This can allow style editor information used within Developer Tools to leak cross-origin.

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-2018-5106?

CVE-2018-5106 is a vulnerability that allows style editor traffic in the Developer Tools to be routed through a service worker hosted on a third-party website, potentially leaking cross-origin information.

2

Which software is affected by CVE-2018-5106?

This vulnerability affects Firefox versions up to but excluding 58.0, as well as certain versions of the Firefox package in Ubuntu and Canonical Ubuntu Linux.

3

What is the severity of CVE-2018-5106?

CVE-2018-5106 has a severity level of medium, with a severity value of 5.3.

4

How can I fix CVE-2018-5106?

To fix CVE-2018-5106, you should update your Firefox browser to version 58.0 or later. Additionally, ensure that your Ubuntu or Canonical Ubuntu Linux system is updated to include the recommended versions of the Firefox package.

5

Where can I find more information about CVE-2018-5106?

You can find more information about CVE-2018-5106 in the following references: [https://bugzilla.mozilla.org/show_bug.cgi?id=1408708](https://bugzilla.mozilla.org/show_bug.cgi?id=1408708), [https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/](https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/), [https://www.mozilla.org/security/advisories/mfsa2018-02/](https://www.mozilla.org/security/advisories/mfsa2018-02/)

Contact

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