atlassian confluence CVE-2019-3396 vulnerability in Atlassian Products
Published on March 25, 2019

The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the fixed version for 6.13.x), and from version 6.14.0 before 6.14.2 (the fixed version for 6.14.x), allows remote attackers to achieve path traversal and remote code execution on a Confluence Server or Data Center instance via server-side template injection.

Vendor Advisory NVD

Known Exploited Vulnerability

This Remote code execution via Widget Connector macro Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Allows remote attackers to achieve path traversal and remote code execution on a Confluence Server or Data Center instance via server-side template injection.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2019-3396 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Directory traversal Vulnerability?

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CVE-2019-3396 has been classified to as a Directory traversal vulnerability or weakness.


Products Associated with CVE-2019-3396

You can be notified by stack.watch whenever vulnerabilities like CVE-2019-3396 are published in these products:

Atlassian Confluence
 
Atlassian Confluence Server
 

What versions are vulnerable to CVE-2019-3396?