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CVE-2018-5142

Published: 14 March 2018

If Media Capture and Streams API permission is requested from documents with "data:" or "blob:" URLs, the permission notifications do not properly display the originating domain. The notification states "Unknown protocol" as the requestee, leading to user confusion about which site is asking for this permission. This vulnerability affects Firefox < 59.

Priority

Low

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (59.0)
xenial
Released (59.0+build5-0ubuntu0.16.04.1)
artful
Released (59.0+build5-0ubuntu0.17.10.1)
bionic
Released (59.0.1+build1-0ubuntu1)
trusty
Released (59.0+build5-0ubuntu0.14.04.1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N