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CVE-2020-15666

Published: Oct 1, 2020

Modified: Aug 4, 2024

PUBLISHED

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.

Vendor	Product	Versions
Mozilla	Firefox	affected `unspecified - < 80`
Mozilla	Firefox for Android	affected `unspecified - < 80`

References

https://www.mozilla.org/security/advisories/mfsa2020-39/

x_refsource_MISC

https://www.mozilla.org/security/advisories/mfsa2020-36/

x_refsource_MISC

https://bugzilla.mozilla.org/show_bug.cgi?id=1450853

x_refsource_MISC

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