Advisory Published
Updated

CVE-2014-1583

First published: Wed Oct 15 2014(Updated: )

The Alarm API in Mozilla Firefox before 33.0 and Firefox ESR 31.x before 31.2 does not properly restrict toJSON calls, which allows remote attackers to bypass the Same Origin Policy via crafted API calls that access sensitive information within the JSON data of an alarm.

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

Affected SoftwareAffected VersionHow to fix
Firefox<=32.0
Firefox=30.0
Firefox=31.0
Firefox=31.1.0
Firefox ESR=31.0
Firefox ESR=31.1.0

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Frequently Asked Questions

  • What is the severity of CVE-2014-1583?

    CVE-2014-1583 has been classified as a moderate severity vulnerability.

  • How do I fix CVE-2014-1583?

    To fix CVE-2014-1583, update Mozilla Firefox to version 33.0 or later, or Firefox ESR to version 31.2 or later.

  • Which versions of Mozilla Firefox are affected by CVE-2014-1583?

    CVE-2014-1583 affects Mozilla Firefox versions prior to 33.0 and Firefox ESR versions prior to 31.2.

  • Can CVE-2014-1583 allow data leakage?

    Yes, CVE-2014-1583 can allow remote attackers to bypass the Same Origin Policy and access sensitive information.

  • What is the nature of the vulnerability in CVE-2014-1583?

    The vulnerability in CVE-2014-1583 is due to improper restriction of toJSON calls in the Alarm API.

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