CVE-2020-9409 : Exploit Details and Defense Strategies

TIBCO JasperReports Server Fails To Enforce Access Restrictions

Understanding CVE-2020-9409

This CVE involves a vulnerability in the administrative UI component of TIBCO JasperReports Server, TIBCO JasperReports Server for AWS Marketplace, and TIBCO JasperReports Server for ActiveMatrix BPM.

What is CVE-2020-9409?

The vulnerability allows an unauthenticated attacker to potentially obtain the permissions of a JasperReports Server "superuser" for the affected systems, enabling consistent remote exploitation without authentication.

The Impact of CVE-2020-9409

The vulnerability could lead to unauthorized users gaining "superuser" permissions and potentially executing arbitrary code with the system account that initiated the affected component.

Technical Details of CVE-2020-9409

Vulnerability Description

The vulnerability in the administrative UI component of the affected TIBCO products allows unauthenticated attackers to exploit the system's permissions.

Affected Systems and Versions

TIBCO JasperReports Server: versions 7.1.1 and below
TIBCO JasperReports Server for AWS Marketplace: versions 7.1.1 and below
TIBCO JasperReports Server for ActiveMatrix BPM: versions 7.1.1 and below

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
CVSS Score: 9.8 (Critical)
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Mitigation and Prevention

Immediate Steps to Take

Apply the provided patches immediately
Monitor for any unauthorized access or unusual activities
Restrict network access to the affected systems

Long-Term Security Practices

Regularly update and patch all software components
Implement strong authentication mechanisms
Conduct regular security audits and assessments

Patching and Updates

TIBCO has released updated versions to address the vulnerability:

TIBCO JasperReports Server: update to version 7.1.3 or higher
TIBCO JasperReports Server for AWS Marketplace: update to version 7.2.0 or higher
TIBCO JasperReports Server for ActiveMatrix BPM: update to version 7.1.3 or higher