// For flags

CVE-2016-4638

Apple OS X WindowServer _XSetApplicationBindingsForWorkspaces Type Confusion Privilege Escalation Vulnerability

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Login Window in Apple OS X before 10.11.6 allows attackers to gain privileges via a crafted app that leverages a "type confusion."

Login Window en Apple OS X en versiones anteriores a 10.11.6 permite a atacantes obtener privilegios a través de una aplicación manipulada que aprovecha una "confusión de tipo".

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within CoreGraphics. By interacting with _XSetApplicationBindingsForWorkspaces, an attacker can cause a type confusion condition. An attacker could leverage this vulnerability to execute arbitrary code under the context of the WindowServer.

*Credits: e048b7039acc9483d42ca9ef197bd909
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-05-11 CVE Reserved
  • 2016-07-22 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-264: Permissions, Privileges, and Access Controls
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
 Mac Os X
Search vendor "Apple" for product "Mac Os X"
 <= 10.11.5
Search vendor "Apple" for product "Mac Os X" and version " <= 10.11.5"
-
Affected