CVE-2020-9905 : What You Need to Know
Learn about CVE-2020-9905, a buffer overflow vulnerability in Apple's iOS, macOS, and tvOS. Find out how to mitigate the risk and prevent potential denial of service attacks.
A buffer overflow vulnerability was identified and fixed in Apple's iOS, macOS, and tvOS. This CVE affects multiple Apple products and versions.
Understanding CVE-2020-9905
What is CVE-2020-9905?
CVE-2020-9905 is a buffer overflow vulnerability that was addressed with improved bounds checking in Apple's operating systems.
The Impact of CVE-2020-9905
The vulnerability could allow a remote attacker to exploit the buffer overflow and potentially cause a denial of service on affected devices.
Technical Details of CVE-2020-9905
Vulnerability Description
A buffer overflow issue was fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, and tvOS 13.4.8.
Affected Systems and Versions
- iOS versions less than 13.6 and iPadOS versions less than 13.6
- macOS Catalina versions less than 10.15.6
- tvOS versions less than 13.4.8
Exploitation Mechanism
The vulnerability could be exploited remotely by a malicious actor to trigger a denial of service attack.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the latest patched versions.
- Monitor for any unusual network activity that could indicate exploitation.
Long-Term Security Practices
- Regularly update software and firmware to mitigate known vulnerabilities.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
Apply security patches provided by Apple to address the buffer overflow vulnerability in iOS, macOS, and tvOS.