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SS-2017-005: User enumeration via timing attack on login and password reset forms

Medium (?)
Versions Affected:
3.5.4 and below to 3.6.1
Versions Fixed:
3.5.5, 3.6.2
Release Date:

User enumeration is possible by performing a timing attack on the login or password reset pages with user credentials.

Credit to Daniel Hensby (SilverStripe) andĀ Erez Yalon (Checkmarx)