Apple iTunes before 11.2.1 on OS X sets world-writable permissions for /Users and /Users/Shared during reboots, which allows local users to modify files, and consequently obtain access to arbitrary user accounts, via standard filesystem operations.
http://support.apple.com/kb/HT6251
Source: Mitre, NVD
Published: 2014-05-18
Updated: 2014-05-19
Base Score: 4.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity: High