CVE-2018-12365 : What You Need to Know

A security vulnerability affecting Thunderbird, Firefox ESR, and Firefox versions that allows a compromised child process to bypass content sandbox and access local file names without user consent.

Understanding CVE-2018-12365

This CVE involves a critical security issue that could potentially lead to the exposure of private local files.

What is CVE-2018-12365?

The vulnerability enables a compromised child process to escape the content sandbox and list file names on the system without user interaction.

The Impact of CVE-2018-12365

Affected products include Thunderbird, Firefox ESR, and Firefox versions below specific thresholds.
The vulnerability could expose private local files to unauthorized access.

Technical Details of CVE-2018-12365

This section provides detailed technical information about the vulnerability.

Vulnerability Description

A compromised IPC child process can list local filenames, potentially leading to unauthorized access to private files.

Affected Systems and Versions

Thunderbird versions below 60 and 52.9, Firefox ESR versions below 60.1 and 52.9, and Firefox versions below 61 are all impacted.

Exploitation Mechanism

The vulnerability allows the compromised process to bypass the content sandbox and access file names on the system.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2018-12365.

Immediate Steps to Take

Update Thunderbird, Firefox ESR, and Firefox to versions above the specified thresholds to mitigate the vulnerability.
Regularly monitor vendor advisories for security patches and updates.

Long-Term Security Practices

Implement robust security measures to prevent unauthorized access to sensitive files.
Educate users on safe browsing practices and potential security risks.

Patching and Updates

Apply security patches provided by Mozilla for Thunderbird, Firefox ESR, and Firefox to address the vulnerability.