CVE-2020-9915 : What You Need to Know
Learn about CVE-2020-9915 affecting Apple products like iOS, tvOS, and Safari. Find out how processing malicious web content can bypass security measures.
An access issue existed in Content Security Policy affecting various Apple products. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2020-9915
What is CVE-2020-9915?
An access issue in Content Security Policy was identified and fixed in multiple Apple products, including iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows.
The Impact of CVE-2020-9915
Processing maliciously crafted web content could bypass Content Security Policy enforcement, potentially leading to security vulnerabilities.
Technical Details of CVE-2020-9915
Vulnerability Description
The vulnerability allowed unauthorized access due to limitations in Content Security Policy enforcement, which was resolved in the specified versions of affected products.
Affected Systems and Versions
- iOS and iPadOS: Versions less than 13.6
- tvOS: Versions less than 13.4.8
- watchOS: Versions less than 6.2.8
- Safari: Versions less than 13.1.2
- iTunes for Windows: Versions less than 12.10.8
- iCloud for Windows: Versions less than 11.3
- iCloud for Windows (Legacy): Versions less than 7.20
Exploitation Mechanism
The vulnerability could be exploited by processing specially crafted web content to evade Content Security Policy restrictions.
Mitigation and Prevention
Immediate Steps to Take
- Update affected Apple products to the fixed versions mentioned above.
- Avoid visiting untrusted websites or clicking on suspicious links.
- Regularly monitor Apple's security updates for any new patches.
Long-Term Security Practices
- Implement strong web security practices to prevent similar access issues.
- Educate users on safe browsing habits and the risks of interacting with unknown web content.
Patching and Updates
Ensure timely installation of security updates provided by Apple to address vulnerabilities like CVE-2020-9915.