CVE-2019-8809 : Exploit Details and Defense Strategies
Learn about CVE-2019-8809, a vulnerability in Apple products allowing a local app to read a persistent account identifier. Find out the impacted systems, exploitation mechanism, and mitigation steps.
A validation issue was addressed with improved logic in Apple products. This issue affects macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, watchOS 6, and iOS 13, potentially allowing a local app to read a persistent account identifier.
Understanding CVE-2019-8809
An enhancement was made to resolve a validation problem related to the logic. This problem has been rectified in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tvOS 13, watchOS 6, iOS 13. A nearby application might have the capability to access and retrieve a lasting account identification number.
What is CVE-2019-8809?
CVE-2019-8809 is a vulnerability in Apple products that could allow a local app to read a persistent account identifier.
The Impact of CVE-2019-8809
The vulnerability could potentially lead to unauthorized access to a user's account identification number by a nearby application.
Technical Details of CVE-2019-8809
A validation issue was addressed with improved logic in Apple products, potentially allowing a local app to read a persistent account identifier.
Vulnerability Description
The vulnerability allows a nearby application to access and retrieve a lasting account identification number.
Affected Systems and Versions
- iOS and iPadOS versions less than 13.1
- tvOS versions less than 13
- iOS versions less than 13
- watchOS versions less than 6
- macOS versions less than 10.15
Exploitation Mechanism
The issue arises from a validation problem related to the logic, potentially enabling a local app to read a persistent account identifier.
Mitigation and Prevention
Immediate Steps to Take:
- Update affected Apple products to the latest versions.
- Be cautious while granting permissions to applications that request access to sensitive information.
Long-Term Security Practices
- Regularly update all software and firmware to patch known vulnerabilities.
- Implement strict permission controls for applications accessing sensitive data.
Patching and Updates
Apply the latest security patches and updates provided by Apple to mitigate the CVE-2019-8809 vulnerability.