FKIE_CVE-2020-15680

Vulnerability from fkie_nvd - Published: 2020-10-22 21:15 - Updated: 2024-11-21 05:06
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1658881Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-45/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1658881Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-45/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
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  "id": "CVE-2020-15680",
  "lastModified": "2024-11-21T05:06:00.210",
  "metrics": {
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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