CWE
200
Advisory Published
Updated

CVE-2015-4478: Infoleak

First published: Sun Aug 16 2015(Updated: )

Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 do not impose certain ECMAScript 6 requirements on JavaScript object properties, which allows remote attackers to bypass the Same Origin Policy via the reviver parameter to the JSON.parse method.

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

Affected SoftwareAffected VersionHow to fix
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.04
openSUSE=13.1
openSUSE=13.2
Firefox<=39.0.3
Firefox=38.0
Firefox=38.0.1
Firefox=38.0.5
Firefox=38.1.0
Firefox ESR=38.0
Firefox ESR=38.0.1
Firefox ESR=38.0.5
Firefox ESR=38.1.0

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Frequently Asked Questions

  • What is the severity of CVE-2015-4478?

    CVE-2015-4478 has a medium severity level due to its potential to bypass the Same Origin Policy.

  • How do I fix CVE-2015-4478?

    To fix CVE-2015-4478, upgrade to Mozilla Firefox version 40.0 or later, or Firefox ESR 38.2 or later.

  • What software is affected by CVE-2015-4478?

    CVE-2015-4478 affects specific versions of Mozilla Firefox, Firefox ESR, Ubuntu 12.04, 14.04, 15.04, and openSUSE 13.1 and 13.2.

  • What type of vulnerability is CVE-2015-4478?

    CVE-2015-4478 is a Cross-Origin Resource Sharing (CORS) vulnerability that allows unauthorized access to resources.

  • How can attackers exploit CVE-2015-4478?

    Attackers can exploit CVE-2015-4478 by using the reviver parameter in the JSON.parse method to bypass security restrictions.

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