PT-2016-6106 · Apple+1 · Os X+1

Published 2016-09-25 · Updated 2017-07-30 · CVE-2016-4745

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Apple OS X versions prior to 10.12

Description The issue concerns the Kerberos 5 PAM module, which does not utilize constant-time operations to determine username validity. This oversight allows remote attackers to potentially enumerate user accounts through a timing side-channel attack.

Recommendations For Apple OS X versions prior to 10.12, update to version 10.12 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2016-4745

Affected Products

Kerberos 5

Os X

References · 6

• https://support.apple.com/HT207170 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-4745 · Vendor Advisory
• http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-4745 · Security Note
• http://securityfocus.com/bid/93055 · Note
• http://securitytracker.com/id/1036858 · Note