5
CVSSv2

CVE-2016-4745

Published: 25/09/2016 Updated: 30/07/2017
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

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

Vulnerability Trend

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apple mac os x