CVE-2025-43308

5.3 MEDIUM

📋 TL;DR

This CVE describes an improper access control vulnerability in macOS where applications could bypass entitlement checks to access sensitive user data. It affects macOS Sonoma before version 14.8 and macOS Sequoia before version 15.7. The vulnerability requires an attacker to have local access or trick a user into running a malicious application.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Sonoma versions before 14.8, macOS Sequoia versions before 15.7
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable. The vulnerability requires application execution with user privileges.

📦 What is this software?

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious application could access sensitive user data including personal files, credentials, or other protected information without proper authorization.

🟠

Likely Case

Malicious applications distributed through unofficial channels could access limited sensitive data, potentially leading to privacy violations or credential theft.

🟢

If Mitigated

With proper application vetting and user awareness, risk is limited to applications that bypass standard security controls.

🌐 Internet-Facing: LOW - This vulnerability requires local application execution and cannot be directly exploited over the internet.
🏢 Internal Only: MEDIUM - Malicious applications could be executed by users with local access, potentially compromising sensitive data on affected systems.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires creating or modifying an application to bypass entitlement checks. No public exploit code has been identified in the provided references.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sonoma 14.8 or macOS Sequoia 15.7

Vendor Advisory: https://support.apple.com/en-us/125111

Restart Required: Yes

Instructions:

1. Open System Settings. 2. Click General. 3. Click Software Update. 4. Install available updates. 5. Restart when prompted.

🔧 Temporary Workarounds

Restrict Application Sources

macOS

Configure macOS to only allow applications from the App Store and identified developers

sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"
sudo spctl --enable --label "Developer ID"

🧯 If You Can't Patch

  • Implement application allowlisting to restrict which applications can run on affected systems
  • Educate users about the risks of installing applications from untrusted sources

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is Sonoma < 14.8 or Sequoia < 15.7, the system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

After updating, verify macOS version shows Sonoma 14.8 or Sequoia 15.7 or later in System Settings > General > About.

📡 Detection & Monitoring

Log Indicators:

  • Unusual application entitlements in Console logs
  • Applications accessing protected resources without proper entitlements

Network Indicators:

  • Not applicable - this is a local privilege/access control issue

SIEM Query:

source="macos" AND (event_type="entitlement_violation" OR process_access="unauthorized")

🔗 References

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