CVE-2019-3398 : Security Advisory and Response

Confluence Server and Data Center had a path traversal vulnerability that could lead to remote code execution. Attackers with specific permissions could exploit this flaw.

Understanding CVE-2019-3398

This CVE identifies a path traversal vulnerability in Confluence Server and Data Center, allowing attackers to write files to arbitrary locations, potentially leading to remote code execution.

What is CVE-2019-3398?

The downloadallattachments resource in Confluence Server and Data Center had a vulnerability known as path traversal. Attackers with certain permissions could exploit this flaw to write files to any location, potentially resulting in remote code execution on systems running vulnerable Confluence versions.

The Impact of CVE-2019-3398

The vulnerability in Confluence Server and Data Center could be exploited by attackers with permission to add attachments or create spaces, leading to potential remote code execution. This vulnerability affects multiple versions of Confluence Server.

Technical Details of CVE-2019-3398

This section provides more technical insights into the vulnerability.

Vulnerability Description

The path traversal vulnerability in Confluence Server and Data Center allowed attackers to write files to arbitrary locations, potentially enabling remote code execution.

Affected Systems and Versions

Confluence Server versions from 2.0.0 to 6.6.13
Confluence Server versions from 6.7.0 to 6.12.4
Confluence Server versions from 6.13.0 to 6.13.4
Confluence Server versions from 6.14.0 to 6.14.3
Confluence Server versions from 6.15.0 to 6.15.2

Exploitation Mechanism

Attackers with permissions to add attachments, create spaces, or with 'Admin' permissions for a space could exploit this vulnerability to write files to any location, potentially leading to remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2019-3398 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Atlassian promptly.
Restrict user permissions to minimize the impact of potential attacks.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update Confluence Server to the latest secure versions.
Conduct security training for users to raise awareness of potential threats.
Implement network segmentation to limit the reach of potential attacks.

Patching and Updates

Ensure that all affected versions of Confluence Server are updated to the fixed versions provided by Atlassian to mitigate the path traversal vulnerability.