CVE-2016-4745

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlMailing List, Vendor Advisory
http://www.securityfocus.com/bid/93055
http://www.securitytracker.com/id/1036858
https://support.apple.com/HT207170Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlMailing List, Vendor Advisory
http://www.securityfocus.com/bid/93055
http://www.securitytracker.com/id/1036858
https://support.apple.com/HT207170Vendor Advisory

Timeline

Published: Sep 25, 2016
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2016

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