CVE-2019-20801 Explained : Impact and Mitigation

A vulnerability has been identified in the iOS version of the Readdle Documents app, specifically in version 6.9.7 and earlier. This vulnerability allows for cross-origin requests from any domain and lacks proper authorization control, potentially enabling unauthorized access to user data.

Understanding CVE-2019-20801

This CVE pertains to a security issue in the Readdle Documents app for iOS, affecting versions 6.9.7 and below.

What is CVE-2019-20801?

CVE-2019-20801 is a vulnerability in the Readdle Documents app for iOS, allowing any website to execute JavaScript code and potentially access user data through cross-origin requests.

The Impact of CVE-2019-20801

The vulnerability in the Readdle Documents app could lead to unauthorized access to user data by malicious websites due to the lack of proper authorization control.

Technical Details of CVE-2019-20801

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the Readdle Documents app version 6.9.7 and earlier allows for cross-origin requests from any domain and lacks proper authorization control, enabling potential data access by unauthorized entities.

Affected Systems and Versions

Readdle Documents app for iOS versions 6.9.7 and earlier

Exploitation Mechanism

Malicious websites can execute JavaScript code through cross-origin requests, potentially gaining access to user data.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2019-20801, consider the following steps:

Immediate Steps to Take

Update the Readdle Documents app to the latest version to patch the vulnerability.
Avoid visiting untrusted websites that may attempt to exploit this vulnerability.

Long-Term Security Practices

Regularly update all apps on your device to ensure you have the latest security patches.
Be cautious of the websites you visit and only interact with trusted sources.

Patching and Updates

Stay informed about security updates for the Readdle Documents app and promptly install any patches released by the vendor.