CVE-2020-9859 : Exploit Details and Defense Strategies
Learn about CVE-2020-9859, a memory consumption issue in Apple's iOS, macOS, tvOS, and watchOS, allowing arbitrary code execution with kernel privileges. Take immediate steps to update affected systems.
A memory consumption issue was addressed with improved memory handling in Apple's iOS, macOS, tvOS, and watchOS. This vulnerability allows an application to execute arbitrary code with kernel privileges.
Understanding CVE-2020-9859
This CVE addresses a critical memory consumption issue in various Apple operating systems.
What is CVE-2020-9859?
CVE-2020-9859 is a vulnerability that could allow an application to execute arbitrary code with kernel privileges due to a memory handling flaw.
The Impact of CVE-2020-9859
The vulnerability could be exploited by a malicious application to gain kernel-level access, potentially leading to unauthorized control of the affected device.
Technical Details of CVE-2020-9859
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability stems from a memory consumption issue that was mitigated by enhancing memory handling in iOS, macOS, tvOS, and watchOS.
Affected Systems and Versions
- iOS versions less than 13.5.1 and iPadOS versions less than 13.5.1
- macOS versions less than Catalina 10.15.5 Supplemental Update
- tvOS versions less than 13.4.6
- watchOS versions less than 6.2.6
Exploitation Mechanism
An application exploiting this vulnerability could execute arbitrary code with kernel privileges, potentially compromising the security of the system.
Mitigation and Prevention
Protecting systems from CVE-2020-9859 is crucial to maintaining security.
Immediate Steps to Take
- Update affected devices to the patched versions: iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, and watchOS 6.2.6
- Avoid downloading or running untrusted applications on vulnerable devices
Long-Term Security Practices
- Regularly update all software and operating systems to the latest versions
- Implement security best practices and use reputable security software
Patching and Updates
- Apply security patches promptly to address known vulnerabilities and enhance system security