CVE-2025-43399

7.5 HIGH

📋 TL;DR

This vulnerability allows malicious apps to bypass privacy protections and access sensitive user data that should be restricted. It affects iOS, iPadOS, and macOS users running vulnerable versions. The issue involves improper redaction of protected information.

💻 Affected Systems

Products:
  • iOS
  • iPadOS
  • macOS
Versions: Versions before iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1
Operating Systems: iOS, iPadOS, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard configurations are vulnerable. Requires app installation/execution to exploit.

📦 What is this software?

Macos by Apple

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious app gains unauthorized access to sensitive user data including personal information, credentials, or private communications stored by other apps.

🟠

Likely Case

Malicious app accesses limited protected data from other applications, potentially exposing personal information or app-specific data.

🟢

If Mitigated

App sandboxing and privacy controls limit data exposure, but some protected information may still be accessible.

🌐 Internet-Facing: LOW - This requires local app execution, not direct internet exposure.
🏢 Internal Only: MEDIUM - Requires user to install malicious app, but could be exploited through social engineering or compromised app stores.

🎯 Exploit Status

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

Requires malicious app installation. Exploitation details not publicly disclosed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1

Vendor Advisory: https://support.apple.com/en-us/125633

Restart Required: Yes

Instructions:

1. Open Settings app. 2. Go to General > Software Update. 3. Download and install available update. 4. Restart device when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Only install apps from trusted sources like official App Store

Review App Permissions

all

Regularly review and restrict app permissions in privacy settings

🧯 If You Can't Patch

  • Restrict app installation to App Store only
  • Implement mobile device management (MDM) to control app installation

🔍 How to Verify

Check if Vulnerable:

Check device version in Settings > General > About > Software Version

Check Version:

Settings > General > About > Software Version (iOS/iPadOS) or About This Mac > macOS Version (macOS)

Verify Fix Applied:

Verify version is iOS 18.7.2+, iPadOS 18.7.2+, macOS Sequoia 15.7.2+, or macOS Tahoe 26.1+

📡 Detection & Monitoring

Log Indicators:

  • Unusual app behavior accessing protected data areas
  • Privacy permission violations in system logs

Network Indicators:

  • Unusual data exfiltration from apps to external servers

SIEM Query:

Search for app permission violations or unusual data access patterns in system logs

🔗 References

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