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CVE-2016-9077

Published: 17 November 2016

Canvas allows the use of the "feDisplacementMap" filter on images loaded cross-origin. The rendering by the filter is variable depending on the input pixel, allowing for timing attacks when the images are loaded from third party locations. This vulnerability affects Firefox < 50.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (50.0)
precise
Released (50.0+build2-0ubuntu0.12.04.2)
xenial
Released (50.0+build2-0ubuntu0.16.04.2)
yakkety
Released (50.0+build2-0ubuntu0.16.10.2)
trusty
Released (50.0+build2-0ubuntu0.14.04.2)
thunderbird
Launchpad, Ubuntu, Debian
upstream Not vulnerable

precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
xenial Not vulnerable

yakkety Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H