CVE-2019-14994 : Exploit Details and Defense Strategies

Before version 3.9.16 of Atlassian Jira Service Desk Server and Jira Service Desk Data Center, from version 3.10.0 before version 3.16.8, from version 4.0.0 before version 4.1.3, from version 4.2.0 before version 4.2.5, from version 4.3.0 before version 4.3.4, and in version 4.4.0, a vulnerability exists in the Customer Context Filter allowing remote attackers to view issues in Jira Service Desk projects through a path traversal exploit.

Understanding CVE-2019-14994

This CVE identifies a path traversal vulnerability in Atlassian Jira Service Desk Server and Jira Service Desk Data Center.

What is CVE-2019-14994?

The vulnerability in the Customer Context Filter of Jira Service Desk Server and Data Center allows unauthorized access to view issues in Jira Service Desk projects through a path traversal exploit.

The Impact of CVE-2019-14994

The vulnerability enables remote attackers with portal access to view arbitrary issues in Jira Service Desk projects, potentially leading to unauthorized access and information disclosure.

Technical Details of CVE-2019-14994

The following technical details provide insight into the vulnerability.

Vulnerability Description

The Customer Context Filter in Jira Service Desk Server and Data Center allows remote attackers with portal access to view arbitrary issues in Jira Service Desk projects through a path traversal vulnerability.

Affected Systems and Versions

Jira Service Desk Server versions less than 3.9.16, 3.10.0, 3.16.8, 4.0.0, 4.1.3, 4.2.0, 4.2.5, 4.3.0, 4.3.4, and 4.4.0
Jira Service Desk Data Center versions less than 3.9.16, 3.10.0, 3.16.8, 4.0.0, 4.1.3, 4.2.0, 4.2.5, 4.3.0, 4.3.4, and 4.4.0

Exploitation Mechanism

The vulnerability allows attackers with portal access to exploit path traversal to gain unauthorized access to view issues in Jira Service Desk projects.

Mitigation and Prevention

Protect your systems and data with the following measures.

Immediate Steps to Take

Disable the 'Anyone can email the service desk or raise a request in the portal' setting if not required
Implement access controls to restrict portal access
Monitor and restrict external access to Jira Service Desk projects

Long-Term Security Practices

Regularly update Jira Service Desk to the latest version
Conduct security assessments and penetration testing to identify vulnerabilities
Educate users on security best practices and awareness

Patching and Updates

Apply patches and updates provided by Atlassian promptly to address the vulnerability