CVE-2016-4639

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html

http://www.securityfocus.com/bid/91824

http://www.securitytracker.com/id/1036348

http://zerodayinitiative.com/advisories/ZDI-16-431/

https://support.apple.com/HT206903

Details

Source: MITRE

Published: 2016-07-22

Updated: 2017-09-01

Risk Information

CVSS v2

Base Score: 4.4

Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to 10.11.5 (inclusive)

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
802026Mac OS X < 10.11.6 Multiple VulnerabilitiesLog Correlation EngineOperating System Detection
critical
9441Mac OS X 10.11.x < 10.11.6 Multiple VulnerabilitiesNessus Network MonitorOperating System Detection
critical
92496Mac OS X 10.11.x < 10.11.6 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
critical