CVE-2020-9408

The Spotfire library component of TIBCO Software Inc.s TIBCO Spotfire Analytics Platform for AWS Marketplace and TIBCO Spotfire Server contains a vulnerability that theoretically allows an attacker with write permissions to the Spotfire Library, but not Script Author group permission, to modify attributes of files and objects saved to the library such that the system treats them as trusted. This could allow an attacker to cause the Spotfire Web Player, Analyst clients, and TERR Service into executing arbitrary code with the privileges of the system account that started those processes. Affected releases are TIBCO Software Inc.s TIBCO Spotfire Analytics Platform for AWS Marketplace: versions 10.8.0 and below and TIBCO Spotfire Server: versions 7.11.9 and below, versions 7.12.0, 7.13.0, 7.14.0, 10.0.0, 10.0.1, 10.1.0, 10.2.0, 10.3.0, 10.3.1, 10.3.2, 10.3.3, 10.3.4, 10.3.5, and 10.3.6, versions 10.4.0, 10.5.0, 10.6.0, 10.6.1, 10.7.0, and 10.8.0.

Weakness

During installation, installed file permissions are set to allow anyone to modify those files.

Affected Software

Potential Mitigations

• Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
• Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/1.html
• https://cwe.mitre.org/data/definitions/127.html
• https://cwe.mitre.org/data/definitions/81.html

References

• http://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2020/03/tibco-security-advisory-march-11-2020-tibco-spotfire-server