Open
Bug 1190043
Opened 10 years ago
Updated 3 years ago
dom.enable_user_timing preference is not honored
Categories
(Core :: DOM: Core & HTML, defect, P5)
Tracking
()
UNCONFIRMED
People
(Reporter: cyrillus90, Unassigned)
Details
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:39.0) Gecko/20100101 Firefox/39.0
Build ID: 20150605094246
Steps to reproduce:
1) Set dom.enable_user_timing to false.
2) Try to use the User Timing API (e.g. window.performance.now()).
Actual results:
It works - i.e. window performance.now() returns high resolution timestamp.
Expected results:
Failure. Or maybe as an alternate solution it should return non-high resolution timestamp.
High resolution timer could be used for eavesdropping (see whitepaper: http://arxiv.org/pdf/1502.07373v2.pdf), so this is a security issue as well, and Firefox should definitely abide user's choice to disable it.
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Comment 1•10 years ago
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Feel free to move to the right component if I am wrong
QA Whiteboard: [bugday-20150727]
Component: Untriaged → Build Config
OS: Unspecified → Linux
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Updated•8 years ago
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Component: Build Config → DOM
Product: Firefox → Core
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Updated•7 years ago
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Priority: -- → P5
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Assignee | |
Updated•6 years ago
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Component: DOM → DOM: Core & HTML
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Updated•3 years ago
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Severity: normal → S3
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Description
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