CVE-2020-9980 : What You Need to Know
Learn about CVE-2020-9980, an out-of-bounds write issue in Apple's iOS, macOS, tvOS, and watchOS. Processing a malicious font file could lead to arbitrary code execution. Find mitigation steps here.
An out-of-bounds write issue in Apple products was addressed with improved bounds checking, fixing the vulnerability in iOS, macOS, tvOS, and watchOS. Processing a maliciously crafted font file could lead to arbitrary code execution.
Understanding CVE-2020-9980
This CVE identifies a critical security vulnerability in various Apple products that could allow an attacker to execute arbitrary code by exploiting a font file processing issue.
What is CVE-2020-9980?
CVE-2020-9980 is an out-of-bounds write vulnerability in Apple's iOS, macOS, tvOS, and watchOS that could be exploited through a specially crafted font file.
The Impact of CVE-2020-9980
The vulnerability could result in arbitrary code execution on affected devices, potentially leading to unauthorized access, data theft, or further compromise of the system.
Technical Details of CVE-2020-9980
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability involves an out-of-bounds write issue that was mitigated by enhancing bounds checking mechanisms in the affected Apple products.
Affected Systems and Versions
- iOS versions prior to 13.6 and iPadOS versions prior to 13.6
- macOS versions prior to Catalina 10.15.6
- tvOS versions prior to 13.4.8
- watchOS versions prior to 6.2.8
Exploitation Mechanism
By processing a specially crafted font file, an attacker could trigger the vulnerability, potentially leading to the execution of arbitrary code on the target device.
Mitigation and Prevention
To address CVE-2020-9980 and enhance overall system security, consider the following mitigation strategies:
Immediate Steps to Take
- Update affected Apple devices to the latest versions that contain the security patches.
- Avoid opening or processing font files from untrusted or unknown sources.
- Monitor official Apple security advisories for any further updates or patches related to this vulnerability.
Long-Term Security Practices
- Regularly update all software and firmware on Apple devices to ensure the latest security fixes are in place.
- Implement robust security measures such as firewalls, intrusion detection systems, and access controls to prevent unauthorized access.
Patching and Updates
- Apply the necessary security updates provided by Apple for iOS, macOS, tvOS, and watchOS to mitigate the CVE-2020-9980 vulnerability.