CVE-2019-9798 : Security Advisory and Response

A vulnerability in Firefox on Android systems allows malicious third-party applications to execute man-in-the-middle attacks by injecting code into a specific location.

Understanding CVE-2019-9798

This CVE affects Firefox versions prior to 66 on Android systems.

What is CVE-2019-9798?

Firefox on Android can load a library from a location that is writable by all users and applications.
Malicious third-party apps can exploit this to carry out man-in-the-middle attacks.
This vulnerability is specific to Android and does not impact other operating systems.

The Impact of CVE-2019-9798

Allows malicious third-party apps to potentially intercept and modify data transmitted by Firefox on Android.
Threatens the integrity and confidentiality of user data on affected devices.

Technical Details of CVE-2019-9798

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The issue arises from Firefox's ability to load a library from a location accessible to all users and apps on Android.

Affected Systems and Versions

Affected: Firefox versions prior to 66 on Android systems.

Exploitation Mechanism

Malicious third-party apps inject code into the vulnerable location to intercept Firefox data.

Mitigation and Prevention

Protecting systems from CVE-2019-9798 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Firefox to version 66 or higher to mitigate the vulnerability.
Avoid downloading apps from untrusted sources to prevent potential exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement app permission restrictions to limit access to sensitive system resources.

Patching and Updates

Mozilla may release security patches to address CVE-2019-9798; ensure timely installation to secure systems.