CVE-2019-8678 : Security Advisory and Response
Learn about CVE-2019-8678, a memory corruption vulnerability in iOS, macOS, tvOS, Safari, iTunes for Windows, iCloud for Windows, and iCloud for Windows (Microsoft Store) that could allow arbitrary code execution.
Multiple memory corruption issues were addressed with improved memory handling in various Apple products. The vulnerability affects iOS, macOS, tvOS, Safari, iTunes for Windows, iCloud for Windows, and iCloud for Windows (Microsoft Store).
Understanding CVE-2019-8678
Enhancements in memory management have resolved various instances of memory corruption problems in the affected Apple products.
What is CVE-2019-8678?
CVE-2019-8678 is a vulnerability related to memory corruption issues that have been fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, and iCloud for Windows 10.6.
The Impact of CVE-2019-8678
The vulnerability could allow an attacker to execute arbitrary code by exploiting maliciously designed web content on the affected Apple products.
Technical Details of CVE-2019-8678
The following technical details provide insight into the vulnerability.
Vulnerability Description
The vulnerability stems from memory corruption issues that have been mitigated through improved memory handling.
Affected Systems and Versions
The vulnerability affects the following Apple products and versions:
- iOS: Less than iOS 12.4
- macOS: Less than macOS Mojave 10.14.6
- tvOS: Less than tvOS 12.4
- Safari: Less than Safari 12.1.2
- iTunes for Windows: Less than iTunes for Windows 12.9.6
- iCloud for Windows: Less than iCloud for Windows 7.13
- iCloud for Windows (Microsoft Store): Less than iCloud for Windows 10.6
Exploitation Mechanism
Processing maliciously crafted web content on the affected systems may lead to arbitrary code execution.
Mitigation and Prevention
To address CVE-2019-8678 and enhance security, consider the following steps:
Immediate Steps to Take
- Update the affected Apple products to the fixed versions mentioned.
- Avoid visiting untrusted websites or clicking on suspicious links.
Long-Term Security Practices
- Regularly update all software and applications to the latest versions.
- Implement security best practices to prevent and detect memory corruption vulnerabilities.
Patching and Updates
- Apply security patches provided by Apple promptly to mitigate the vulnerability and enhance system security.