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Bug 1595032 - (CVE-2018-12367) CVE-2018-12367 Mozilla: Timing attack mitigation of PerformanceNavigationTiming
CVE-2018-12367 Mozilla: Timing attack mitigation of PerformanceNavigationTiming
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180626,repor...
: Security
Depends On:
Blocks: 1590698
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Reported: 2018-06-25 21:52 EDT by Doran Moppert
Modified: 2018-06-26 20:58 EDT (History)
5 users (show)

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Last Closed: 2018-06-26 20:44:51 EDT
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Description Doran Moppert 2018-06-25 21:52:39 EDT
In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure measuring precise time intervals. In that work, `PerformanceNavigationTiming` was not adjusted but it was found that it could be used as a precision timer.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/#CVE-2018-12367
Comment 1 Doran Moppert 2018-06-25 21:52:43 EDT
Acknowledgments:

Name: the Mozilla project
Upstream: Andrea Marchesini

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