CVE-2022-39349 : Exploit Details and Defense Strategies

Tasks.org's Android app version prior to 12.7.1 and 13.0.1 is vulnerable to data exfiltration by malicious apps or adb. The vulnerability allows for sensitive information disclosure.

Understanding CVE-2022-39349

Tasks.org's Android app is an open-source app for to-do lists and reminders. The vulnerability lies in how the app handles 'share' intents, potentially leading to the exposure of sensitive user information to third-party applications.

What is CVE-2022-39349?

The issue arises from the app's feature that copies files from internal storage to external storage without validating file paths. This opens up the possibility for malicious apps on the same device to access the copied files, including user notes, preferences, and encrypted credentials.

The Impact of CVE-2022-39349

The vulnerability in Tasks.org's Android app versions prior to 12.7.1 and 13.0.1 can result in sensitive information exposure, posing a risk to user privacy and data security.

Technical Details of CVE-2022-39349

The primary technical details of CVE-2022-39349 include vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

Prior to versions 12.7.1 and 13.0.1, Tasks.org's app failed to validate file paths, allowing unauthorized access to sensitive information and credentials stored on the app's external storage.

Affected Systems and Versions

Tasks.org's Android app versions earlier than 12.7.1 and 13.0.1 are affected by this vulnerability.

Exploitation Mechanism

Malicious or compromised apps on the same device could exploit this vulnerability to access sensitive user data and credentials stored by the app.

Mitigation and Prevention

To address CVE-2022-39349, users and developers can take immediate steps to secure their data and prevent unauthorized access.

Immediate Steps to Take

Users should update Tasks.org's Android app to versions 12.7.1 or 13.0.1 to mitigate the vulnerability and protect their data from unauthorized access.

Long-Term Security Practices

Implementing data encryption, restricting app permissions, and keeping apps updated are essential long-term security practices to prevent sensitive data exposure.

Patching and Updates

Tasks.org resolved the vulnerability in versions 12.7.1 and 13.0.1. Regularly updating the app to the latest version is crucial to ensure data security and prevent exploitation of known vulnerabilities.