CVE-2017-5928: Low severity W3 High Resolution Time API vulnerability

Published Feb 27, 2017
·
Updated

The W3C High Resolution Time API, as implemented in various web browsers, does not consider that memory-reference times can be measured by a performance.now "Time to Tick" approach even with the https://bugzilla.mozilla.org/showbug.cgi?id=1167489#c9 protection mechanism in place, which makes it easier for remote attackers to conduct AnC attacks via crafted JavaScript code.

Affected Software

1 affected component
W3 High Resolution Time API

Event History

Feb 27, 2017
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
Description
Data Sourced
via NVD·07:59 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2017-5928?

CVE-2017-5928 has been classified as a moderate severity vulnerability due to its potential for information leakage.

2

How do I fix CVE-2017-5928?

To mitigate CVE-2017-5928, users should ensure that their web browsers are updated to the latest versions that include security patches.

3

What systems are affected by CVE-2017-5928?

CVE-2017-5928 affects various web browsers that implement the W3C High Resolution Time API.

4

What does CVE-2017-5928 exploit?

CVE-2017-5928 exploits vulnerabilities in measuring memory-reference times using the performance.now method.

5

Can CVE-2017-5928 lead to sensitive data exposure?

Yes, CVE-2017-5928 can potentially lead to sensitive data exposure by allowing timing attacks.

Contact

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