Bug 1395099 – CVE-2016-9077 Mozilla: Canvas filters allow feDisplacementMaps to be applied to cross-origin images, allowing timing attacks on them (MFSA 2016-89)

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Bug 1395099 - (CVE-2016-9077) CVE-2016-9077 Mozilla: Canvas filters allow feDisplacementMaps to be applied to cross-origin images, allowing timing attacks on them (MFSA 2016-89)

Summary:	CVE-2016-9077 Mozilla: Canvas filters allow feDisplacementMaps to be applied ...

Status:	CLOSED NOTABUG

Aliases:	CVE-2016-9077

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=moderate,public=20161115,repor...
Keywords:	Security

Depends On:
Blocks:	1392803
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Reported:	2016-11-15 01:57 EST by Huzaifa S. Sidhpurwala
Modified:	2016-11-18 09:48 EST (History)
CC List:	1 user (show)

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Last Closed:	2016-11-18 09:48:54 EST
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Description Huzaifa S. Sidhpurwala 2016-11-15 01:57:17 EST

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.

External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-89.html


Acknowledgements:

Name: the Mozilla project
Upstream: Markus Stange

Statement:

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.

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