CVE-2020-15680
Last modified
CVE-2020-15680 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 82.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1658881Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-45/Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1658881Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-45/Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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