CVE-2020-9984 : Exploit Details and Defense Strategies
Learn about CVE-2020-9984, an out-of-bounds read vulnerability in Apple products fixed in iOS 13.6, macOS Catalina 10.15.6, and more. Take immediate steps to update and prevent arbitrary code execution.
An out-of-bounds read vulnerability affecting various Apple products has been addressed with improved input validation. This issue could potentially lead to arbitrary code execution when processing a maliciously crafted image.
Understanding CVE-2020-9984
This CVE identifier pertains to a specific vulnerability in Apple products that could be exploited through the processing of specially crafted images.
What is CVE-2020-9984?
CVE-2020-9984 is an out-of-bounds read vulnerability that has been fixed in multiple Apple products, including iOS, macOS, tvOS, watchOS, iTunes for Windows, and iCloud for Windows.
The Impact of CVE-2020-9984
The vulnerability could allow an attacker to execute arbitrary code by exploiting the flaw in image processing, potentially leading to unauthorized access or control of affected systems.
Technical Details of CVE-2020-9984
This section provides more in-depth technical information about the CVE-2020-9984 vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds read issue that has been mitigated through enhanced input validation in the affected Apple products.
Affected Systems and Versions
- iOS versions less than 13.6 and iPadOS versions less than 13.6
- macOS Catalina versions less than 10.15.6
- tvOS versions less than 13.4.8
- watchOS versions less than 6.2.8
- iTunes for Windows versions less than 12.10.8
- iCloud for Windows versions less than 11.3
- Legacy iCloud for Windows versions less than 7.20
Exploitation Mechanism
The vulnerability can be exploited by processing a specially crafted image, triggering the out-of-bounds read and potentially enabling the execution of arbitrary code.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2020-9984, follow these mitigation strategies:
Immediate Steps to Take
- Update the affected Apple products to the fixed versions mentioned above.
- Avoid opening or processing images from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update all software and applications to the latest versions.
- Implement robust security measures, such as firewalls and intrusion detection systems.
Patching and Updates
- Stay informed about security updates from Apple and apply patches promptly to ensure protection against known vulnerabilities.