CVE-2020-29611 Explained : Impact and Mitigation
Learn about CVE-2020-29611, an out-of-bounds write issue in iOS, iPadOS, tvOS, watchOS, and macOS. Processing a malicious image could lead to arbitrary code execution. Find mitigation steps and affected versions here.
An out-of-bounds write issue in Apple products was addressed with improved bounds checking. Processing a maliciously crafted image could lead to arbitrary code execution.
Understanding CVE-2020-29611
This CVE involves an out-of-bounds write issue in various Apple products, potentially allowing arbitrary code execution.
What is CVE-2020-29611?
CVE-2020-29611 is an out-of-bounds write vulnerability in iOS, iPadOS, tvOS, watchOS, and macOS, which could be exploited by processing a specially crafted image to execute arbitrary code.
The Impact of CVE-2020-29611
The vulnerability could be exploited by an attacker to execute arbitrary code on affected devices, compromising their security and integrity.
Technical Details of CVE-2020-29611
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue involves an out-of-bounds write problem that was mitigated by enhancing bounds checking in the affected Apple products.
Affected Systems and Versions
- iOS and iPadOS versions less than 14.3
- tvOS versions less than 14.3
- watchOS versions less than 7.2
- macOS versions less than 11.1 and 12.0
Exploitation Mechanism
Processing a maliciously crafted image triggers the vulnerability, potentially leading to arbitrary code execution.
Mitigation and Prevention
Protecting systems from CVE-2020-29611 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update affected devices to the latest versions that contain the security patches.
- Avoid opening or processing suspicious or untrusted images.
- Monitor official Apple security updates for any further instructions.
Long-Term Security Practices
- Regularly update all software and firmware on devices to ensure the latest security patches are applied.
- Educate users on safe browsing habits and the risks associated with opening unknown files.
Patching and Updates
Apple has released fixes for this vulnerability in the following versions:
- tvOS 14.3
- macOS Big Sur 11.1
- Security Update 2020-001 Catalina
- Security Update 2020-007 Mojave
- iOS 14.3 and iPadOS 14.3
- iCloud for Windows 12.0
- watchOS 7.2