CVE-2020-29619 : Exploit Details and Defense Strategies
Learn about CVE-2020-29619, an out-of-bounds read vulnerability in Apple products that could lead to heap corruption when processing maliciously crafted images. Find mitigation steps and affected systems here.
An out-of-bounds read vulnerability affecting Apple products was addressed with improved input validation. This issue could lead to heap corruption when processing a maliciously crafted image.
Understanding CVE-2020-29619
This CVE-2020-29619 vulnerability involves an out-of-bounds read that could result in heap corruption when handling specially crafted images.
What is CVE-2020-29619?
CVE-2020-29619 is an out-of-bounds read vulnerability in Apple products that could be exploited by processing a maliciously crafted image, potentially leading to heap corruption.
The Impact of CVE-2020-29619
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the heap corruption resulting from processing a specially crafted image.
Technical Details of CVE-2020-29619
This section provides more in-depth technical information about the CVE-2020-29619 vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds read that could be triggered by processing a maliciously crafted image, potentially leading to heap corruption.
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 specially crafted image could trigger the out-of-bounds read vulnerability, resulting in heap corruption.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2020-29619, follow these mitigation strategies:
Immediate Steps to Take
- Update affected Apple products to the fixed 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
Long-Term Security Practices
- Regularly update all Apple devices to the latest software versions
- Exercise caution when handling image files from untrusted sources
Patching and Updates
- Apply security patches and updates provided by Apple to address CVE-2020-29619.