CVE-2019-15004 : Exploit Details and Defense Strategies

A path traversal vulnerability in Atlassian Jira Service Desk Server and Jira Service Desk Data Center versions allows remote attackers to gain unauthorized access to view arbitrary issues in Jira Service Desk projects.

Understanding CVE-2019-15004

This CVE involves a security issue in Atlassian Jira Service Desk Server and Jira Service Desk Data Center that could be exploited by attackers to manipulate the Customer Context Filter and access sensitive information.

What is CVE-2019-15004?

The vulnerability in Jira Service Desk Server and Data Center versions prior to 3.9.17, between 3.10.0 to 3.16.10, 4.0.0 to 4.2.6, 4.3.0 to 4.3.5, 4.4.0 to 4.4.3, and 4.5.0 to 4.5.1 allows unauthorized access to view arbitrary issues in Jira Service Desk projects.

The Impact of CVE-2019-15004

Attackers with portal access can exploit the vulnerability to manipulate the Customer Context Filter and view sensitive information.
Enabling the 'Anyone can email the service desk or raise a request in the portal' setting can grant attackers portal access.

Technical Details of CVE-2019-15004

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The Customer Context Filter in Jira Service Desk Server and Data Center versions before specified releases allows remote attackers to view arbitrary issues via a path traversal vulnerability.

Affected Systems and Versions

Jira Service Desk Server versions before 3.9.17, between 3.10.0 to 3.16.10, 4.0.0 to 4.2.6, 4.3.0 to 4.3.5, 4.4.0 to 4.4.3, and 4.5.0 to 4.5.1
Jira Service Desk Data Center versions matching the above criteria

Exploitation Mechanism

Attackers with portal access can exploit the vulnerability by manipulating the Customer Context Filter, gaining unauthorized access to view arbitrary issues in Jira Service Desk projects.

Mitigation and Prevention

Protecting systems from CVE-2019-15004 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jira Service Desk Server and Data Center to versions that address the vulnerability.
Disable the 'Anyone can email the service desk or raise a request in the portal' setting if not necessary.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Atlassian.
Implement least privilege access controls to limit unauthorized access.

Patching and Updates

Apply patches provided by Atlassian to fix the vulnerability.