CVE-2019-20852 : Vulnerability Insights and Analysis

A vulnerability was found in versions before 1.26.0 of Mattermost Mobile Apps where the local logging feature fails to prevent the recording of sensitive data, such as server addresses or message content.

Understanding CVE-2019-20852

An issue was discovered in Mattermost Mobile Apps before version 1.26.0, where local logging is not blocked for sensitive information like server addresses or message content.

What is CVE-2019-20852?

This CVE identifies a vulnerability in Mattermost Mobile Apps that allows sensitive data to be recorded through the local logging feature.

The Impact of CVE-2019-20852

The vulnerability could lead to the exposure of critical information, including server addresses and message content, to unauthorized parties.

Technical Details of CVE-2019-20852

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The issue lies in the failure of the local logging feature to prevent the recording of sensitive data.

Affected Systems and Versions

Product: Mattermost Mobile Apps
Versions Affected: Before 1.26.0

Exploitation Mechanism

Attackers could exploit this vulnerability by gaining access to the device where the Mattermost Mobile App is installed and extracting the sensitive data from the local logs.

Mitigation and Prevention

To address CVE-2019-20852, follow these steps:

Immediate Steps to Take

Update Mattermost Mobile Apps to version 1.26.0 or later to mitigate the vulnerability.
Avoid logging sensitive information locally on devices.

Long-Term Security Practices

Regularly review and update security configurations on mobile applications.
Educate users on the importance of data security and safe logging practices.

Patching and Updates

Stay informed about security updates and patches released by Mattermost for their mobile applications.