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CVE-2016-4745

CVE-2016-4745

EPSS 1.8%
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.
Affected products
n/a · n/a

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References
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlhttps://support.apple.com/HT207170http://www.securityfocus.com/bid/93055http://www.securitytracker.com/id/1036858