CVE-2016-4745: Infoleak

First published: Sun Sep 25 2016(Updated: )

The Kerberos 5 (aka krb5) PAM module in Apple OS X before 10.12 does not use constant-time operations for determining username validity, which makes it easier for remote attackers to enumerate user accounts via a timing side-channel attack.

Credit: product-security@apple.com

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