medium
5.3
CWE
200
Advisory Published
CVE Published
Updated

CVE-2018-5140: Infoleak

First published: Tue Mar 13 2018(Updated: )

Image for moz-icons can be accessed through the "moz-icon:" protocol through script in web content even when otherwise prohibited. This could allow for information leakage of which applications are associated with specific MIME types by a malicious page. This vulnerability affects Firefox < 59.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<59
59
Mozilla Firefox<59.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
debian/firefox
131.0.2-2

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability CVE-2018-5140?

    The vulnerability CVE-2018-5140 is a security flaw in Firefox versions prior to 59 that allows a malicious page to access the image for moz-icons through the moz-icon: protocol, potentially revealing information about associated applications with specific MIME types.

  • Which software versions are affected by CVE-2018-5140?

    Firefox versions prior to 59 are affected by CVE-2018-5140.

  • What is the severity of CVE-2018-5140?

    CVE-2018-5140 has a severity rating of medium, with a CVSS score of 5.3.

  • How can I fix the vulnerability CVE-2018-5140?

    To fix the vulnerability CVE-2018-5140, users should update their Firefox browser to version 59 or newer.

  • Are there any references for CVE-2018-5140?

    Yes, you can find more information about CVE-2018-5140 at the following references: [1] [2] [3].

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203