CVE-2016-4745 — Sensitive Information Exposure in Apple MAC OS X

CWE-200 — Sensitive Information Exposure3 documents3 sources
Severity
5.3MEDIUMNVD
EPSS
0.4%
top 38.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MAC OS XApple Macos Sierra
Timeline
PublishedSep 25
Latest updateMay 17

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDapple/mac_os_x10.11.6
▶Appleapple/macos_sierra10.12

🔴Vulnerability Details

1
GHSA
GHSA-895f-xj7j-vc89: The Kerberos 5 (aka krb5) PAM module in Apple OS X before 10↗2022-05-17
▶

📋Vendor Advisories

1
Apple
CVE-2016-4745: macOS Sierra 10.12↗2016-09-20
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