Description
This issue was addressed through improved state management. This issue is fixed in visionOS 2.3, Safari 18.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, tvOS 18.3. Processing maliciously crafted web content may lead to an unexpected process crash.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-3664
1. Vulnerability Assessment and Severity Evaluation
Vulnerability Description: The vulnerability pertains to improper state management in various Apple products, which can be exploited by processing maliciously crafted web content. This can lead to an unexpected process crash, potentially allowing for further exploitation.
Severity Evaluation: The vulnerability has a CVSS Base Score of 9.8, which is categorized as critical. The CVSS vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates the following:
- Attack Vector (AV:N): Network-based attack.
- Attack Complexity (AC:L): Low complexity required for exploitation.
- Privileges Required (PR:N): No privileges are required.
- User Interaction (UI:N): No user interaction is needed.
- Scope (S:U): Unchanged.
- Confidentiality (C:H): High impact on confidentiality.
- Integrity (I:H): High impact on integrity.
- Availability (A:H): High impact on availability.
This high severity score underscores the critical nature of the vulnerability, making it a high priority for immediate patching and mitigation.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Web-based Attacks: An attacker could host malicious web content on a compromised or malicious website.
- Phishing Emails: Attackers could send phishing emails with links to malicious web content.
- Malicious Advertisements: Exploit kits embedded in online advertisements could deliver the malicious payload.
Exploitation Methods:
- Remote Code Execution (RCE): By exploiting the state management flaw, attackers could potentially execute arbitrary code on the affected systems.
- Denial of Service (DoS): The vulnerability could be used to crash processes, leading to a denial of service.
- Data Exfiltration: Attackers could potentially exfiltrate sensitive data by exploiting the vulnerability.
3. Affected Systems and Software Versions
The vulnerability affects the following Apple products and versions:
- iOS and iPadOS: Versions prior to 18.3.
- Safari: Versions prior to 18.3.
- visionOS: Versions prior to 2.3.
- macOS Sequoia: Versions prior to 15.3.
- watchOS: Versions prior to 11.3.
- tvOS: Versions prior to 18.3.
4. Recommended Mitigation Strategies
Immediate Actions:
- Patching: Upgrade to the latest versions of the affected software: visionOS 2.3, Safari 18.3, iOS 18.3, iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, and tvOS 18.3.
- Network Security: Implement network-based security measures such as firewalls and intrusion detection systems (IDS) to monitor and block malicious traffic.
- User Education: Educate users about the risks of phishing emails and malicious websites.
Long-term Strategies:
- Regular Updates: Ensure that all systems and software are regularly updated to the latest versions.
- Security Audits: Conduct regular security audits and vulnerability assessments.
- Incident Response Plan: Develop and maintain an incident response plan to quickly address any potential exploits.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to European organizations and individuals using Apple products. Given the widespread use of Apple devices, the potential for large-scale exploitation is high. This underscores the need for robust cybersecurity measures and timely patching to protect against such threats.
6. Technical Details for Security Professionals
Technical Analysis:
- State Management Flaw: The vulnerability stems from improper state management, which can be triggered by processing specially crafted web content. This indicates a potential issue in how the software handles state transitions or memory management during web content processing.
- Exploitation: The low complexity and lack of user interaction required for exploitation make this vulnerability particularly dangerous. Attackers can craft web content that, when processed, leads to a crash or arbitrary code execution.
- Mitigation: The fix involves improved state management, suggesting that Apple has addressed the underlying issue by enhancing how state transitions are handled during web content processing.
References:
- Apple Support Document 122073
- Apple Support Document 122072
- Apple Support Document 122068
- Apple Support Document 122074
- Apple Support Document 122071
- Apple Support Document 122066
Conclusion: EUVD-2025-3664 is a critical vulnerability affecting multiple Apple products. Immediate patching and robust security measures are essential to mitigate the risk of exploitation. The European cybersecurity landscape must remain vigilant and proactive in addressing such vulnerabilities to ensure the protection of sensitive data and systems.