CVE-2020-9874 : Exploit Details and Defense Strategies
Learn about CVE-2020-9874, an out-of-bounds write issue in Apple products that could lead to arbitrary code execution. Find affected systems and versions, exploitation details, and mitigation steps.
An out-of-bounds write issue in Apple products has been addressed with improved bounds checking, affecting various versions of iOS, macOS, tvOS, watchOS, iTunes for Windows, and iCloud for Windows. Processing a maliciously crafted image could result in arbitrary code execution.
Understanding CVE-2020-9874
This CVE involves an out-of-bounds write issue in Apple products, potentially leading to arbitrary code execution when processing a specially crafted image.
What is CVE-2020-9874?
CVE-2020-9874 is an out-of-bounds write vulnerability in multiple Apple products that could allow an attacker to execute arbitrary code by exploiting a flaw in image processing.
The Impact of CVE-2020-9874
The vulnerability could be exploited by processing a maliciously crafted image, leading to arbitrary code execution on affected devices.
Technical Details of CVE-2020-9874
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue involves an out-of-bounds write problem that has been mitigated with improved bounds checking.
Affected Systems and Versions
The following Apple products and versions are affected:
- iOS: Less than iOS 13.6 and iPadOS 13.6
- macOS: Less than macOS Catalina 10.15.6
- tvOS: Less than tvOS 13.4.8
- watchOS: Less than watchOS 6.2.8
- iTunes for Windows: Less than iTunes 12.10.8 for Windows
- iCloud for Windows: Less than iCloud for Windows 11.3
- iCloud for Windows (Legacy): Less than iCloud for Windows 7.20
Exploitation Mechanism
Processing a specially crafted image triggers the vulnerability, potentially allowing an attacker to execute arbitrary code.
Mitigation and Prevention
To address CVE-2020-9874, consider the following mitigation strategies:
Immediate Steps to Take
- Update affected Apple products to the specified versions that contain the fix.
- Avoid opening or processing images from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update all software and operating systems to the latest versions.
- Implement security best practices to prevent the execution of malicious code.
Patching and Updates
Apply the necessary patches and updates provided by Apple to remediate the vulnerability.