PT-2017-16765 · W3C · W3C High Resolution Time Api

Published 2017-02-27 · Updated 2021-09-13 · CVE-2017-5928

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions W3C High Resolution Time API (affected versions not specified)

Description The issue concerns the W3C High Resolution Time API implementation in web browsers, where memory-reference times can be measured using a performance.now "Time to Tick" approach. This allows remote attackers to conduct AnC attacks via crafted JavaScript code, despite the presence of a protection mechanism.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2017-5928

Affected Products

W3C High Resolution Time Api

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2017-5928 · Security Note
• http://securityfocus.com/bid/97036 · Note
• https://vusec.net/projects/anc · Note
• http://cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf · Note