CVE-2018-18809 : Exploit Details and Defense Strategies
Learn about CVE-2018-18809, a critical directory traversal vulnerability in TIBCO JasperReports Library, JasperReports Server, and Jaspersoft for AWS. Find out the impacted systems, exploitation risks, and mitigation steps.
A vulnerability in the default server implementation of various TIBCO Software Inc. products has been identified, potentially allowing unauthorized access to system contents.
Understanding CVE-2018-18809
This CVE pertains to a directory traversal vulnerability in TIBCO JasperReports Library, TIBCO JasperReports Server, and TIBCO Jaspersoft for AWS.
What is CVE-2018-18809?
The vulnerability allows for potential directory traversal, enabling unauthorized access to system contents.
The Impact of CVE-2018-18809
- CVSS Base Score: 9.9 (Critical)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: Low
- Scope: Changed
- User Interaction: None
- Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Theoretical possibility of exposing host system details and credentials.
Technical Details of CVE-2018-18809
The vulnerability affects various TIBCO products with specific versions and configurations.
Vulnerability Description
- Directory traversal vulnerability in TIBCO JasperReports Library, TIBCO JasperReports Server, and TIBCO Jaspersoft for AWS.
Affected Systems and Versions
- TIBCO JasperReports Library versions up to and including 6.3.4, 6.4.1, 6.4.2, 6.4.21, 7.1.0, and 7.2.0.
- TIBCO JasperReports Server versions up to and including 6.3.4, 6.4.0, 6.4.1, 6.4.2, 6.4.3, and 7.1.0.
- TIBCO Jaspersoft for AWS with Multi-Tenancy versions up to and including 7.1.0.
Exploitation Mechanism
- The vulnerability may be exploited through directory traversal techniques, potentially leading to unauthorized access.
Mitigation and Prevention
TIBCO has provided solutions to address the CVE-2018-18809 vulnerability.
Immediate Steps to Take
- Update affected components to the recommended versions provided by TIBCO.
Long-Term Security Practices
- Regularly monitor and apply security patches to prevent similar vulnerabilities.
- Implement access controls and secure configurations.
Patching and Updates
- TIBCO JasperReports Library, JasperReports Server, and Jaspersoft for AWS users should update to the specified versions to mitigate the vulnerability.