CVE-2019-17334 : Exploit Details and Defense Strategies

TIBCO Software Inc.'s various components, including TIBCO Spotfire Analyst, TIBCO Spotfire Analytics Platform for AWS Marketplace, TIBCO Spotfire Deployment Kit, TIBCO Spotfire Desktop, and TIBCO Spotfire Desktop Language Packs, have a vulnerability that could potentially allow an attacker to remotely execute their own code on the user account of other individuals accessing the affected system.

Understanding CVE-2019-17334

This CVE involves a remote code execution vulnerability in TIBCO Spotfire Analyst and Desktop components.

What is CVE-2019-17334?

The vulnerability allows an attacker with permission to write DXP files to the Spotfire library to execute code on the user account of other system users. The attack is feasible if the attacker has write access to a shared network file system.

The Impact of CVE-2019-17334

The attacker could potentially gain full control of the user account accessing the affected system.

Technical Details of CVE-2019-17334

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in TIBCO Spotfire components allows remote code execution by exploiting the write access to DXP files.

Affected Systems and Versions

The following products and versions are affected:

TIBCO Spotfire Analyst: 7.11.1 and below, 7.12.0, 7.13.0, 7.14.0, 10.0.0 - 10.6.0
TIBCO Spotfire Analytics Platform for AWS Marketplace: 10.6.0
TIBCO Spotfire Deployment Kit: 7.11.1 and below
TIBCO Spotfire Desktop: 7.11.1 and below, 7.12.0 - 10.6.0
TIBCO Spotfire Desktop Language Packs: 7.11.1 and below

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Adjacent Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
CVSS Base Score: 7.6 (High)

Mitigation and Prevention

To address the vulnerability, follow these steps:

Immediate Steps to Take

Update TIBCO Spotfire Analyst versions 7.11.1 and below to 7.11.2 or higher
Update TIBCO Spotfire Desktop versions 7.11.1 and below to 7.11.2 or higher
Apply the corresponding updates for other affected versions

Long-Term Security Practices

Regularly monitor and restrict write access to critical files
Implement network segmentation to limit exposure

Patching and Updates

TIBCO has released updated versions for the affected components to resolve the vulnerability
Ensure all affected versions are updated to the recommended versions