Description
When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Published: 2020-10-01
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-7653 When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Ubuntu USN Ubuntu USN USN-4474-1 Firefox vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T13:22:30.634Z

Reserved: 2020-07-10T00:00:00.000Z

Link: CVE-2020-15666

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-01T19:15:13.203

Modified: 2024-11-21T05:05:58.577

Link: CVE-2020-15666

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses