Overview
The vulnerability CVE-2025-43286 exposes a permissions issue in macOS that could allow an application to break out of its sandbox. This potentially affects multiple macOS versions including Sequoia 15.7, Sonoma 14.8, and Tahoe 26. If exploited, the vulnerability could lead to a system compromise or data leakage, posing a serious threat to user data.
Vulnerability Summary
CVE ID: CVE-2025-43286
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
Product | Affected Versions
macOS Sequoia | Up to 15.7
macOS Sonoma | Up to 14.8
macOS Tahoe | Up to 26
How the Exploit Works
The exploit works by leveraging the permissions issue to break an application out of its sandbox, providing it with unrestricted access to the system. This is achieved by exploiting a flaw in the mechanism that macOS uses to implement application sandboxing. The details of the exact method used by the exploit are not disclosed to prevent misuse.
Conceptual Example Code
The following is a conceptual example of how the vulnerability might be exploited. This is a simplified representation and thus may not exactly replicate the exploit:
#!/bin/bash
# This script attempts to break out of the application's sandbox
# by exploiting CVE-2025-43286
# Start the vulnerable application
open -a VulnerableApp
# Send a signal to the application to exploit the permissions issue
kill -s SIGUSR1 $(pgrep -x VulnerableApp)
Please note that the above script is a hypothetical representation of exploiting the vulnerability. It is provided for educational purposes and is not intended to be used in a malicious manner.
Mitigation Guidance
Users are advised to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation against potential exploitation. Regular monitoring of system logs and network traffic can also help in detecting any unusual activity.
