EUVD-2025-8953

Comprehensive Technical Analysis of EUVD-2025-8953

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-8953 pertains to a flaw in macOS that allows an application to retrieve Safari bookmarks without proper entitlement checks. This issue has been addressed in macOS Ventura 13.7.5, macOS Sequoia 15.4, and macOS Sonoma 14.7.5.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS score of 9.8 indicates a critical vulnerability. The vector string highlights the following characteristics:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This vulnerability is severe because it can be exploited remotely with low complexity, does not require user interaction, and has a high impact on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Potential Attack Vectors:

• Remote Exploitation: An attacker could exploit this vulnerability over the network without requiring any user interaction.
• Malicious Applications: An attacker could develop a malicious app that, when installed, retrieves Safari bookmarks without proper authorization.

Exploitation Methods:

• Phishing Campaigns: Attackers could distribute malicious apps through phishing emails or compromised websites.
• Supply Chain Attacks: Compromising legitimate app distribution channels to deliver malicious apps.

3. Affected Systems and Software Versions

Affected Systems:

• macOS Ventura versions prior to 13.7.5
• macOS Sequoia versions prior to 15.4
• macOS Sonoma versions prior to 14.7.5

Affected Software:

• Safari browser on the affected macOS versions.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update Systems: Ensure all affected macOS systems are updated to the latest versions (Ventura 13.7.5, Sequoia 15.4, Sonoma 14.7.5).
• Patch Management: Implement a robust patch management strategy to ensure timely updates.

Long-Term Strategies:

• Application Whitelisting: Use application whitelisting to prevent unauthorized apps from running.
• Network Monitoring: Implement network monitoring to detect unusual traffic patterns that may indicate exploitation attempts.
• User Education: Educate users about the risks of installing apps from untrusted sources and the importance of keeping systems updated.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European organizations and individuals using affected macOS versions. The potential for unauthorized access to sensitive information, such as Safari bookmarks, could lead to data breaches and privacy violations. This underscores the importance of timely patching and robust cybersecurity practices within the European Union.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2025-24259
• GHSA ID: GHSA-5cgr-6hjx-88v5
• Assigner: Apple
• ENISA ID Product:
  • macOS versions <15.4
  • macOS versions <14.7
  • macOS versions <13.7
• ENISA ID Vendor: Apple

References:

• NVD Detail
• Apple Support 122373
• Apple Support 122374
• Apple Support 122375

Technical Recommendations:

• Incident Response: Develop an incident response plan specific to this vulnerability, including detection, containment, and eradication strategies.
• Security Audits: Conduct regular security audits to identify and mitigate similar vulnerabilities.
• Threat Intelligence: Leverage threat intelligence feeds to stay informed about emerging threats and exploitation techniques.

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of exploitation and protect their sensitive data.