Zero-Day Advisory

Fortinet Discovers Tableau Products Heap Buffer Overflow Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a Heap Buffer Overflow vulnerability in Tableau Software's products including Reader, Desktop, Server, etc.

Tableau Desktop and Tableau Server are data visualization software that let you see and understand data in minutes. They can connect to almost any database, drag and drop to create visualizations, and share with a click.

A Heap Buffer Overflow vulnerability has been discovered in Tableau products . The vulnerability exists because the vulnerable software can't properly handle a crafted tbwx file which causes an out of bounds memory access. It could allow malicious users to create code execution scenarios.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Tableau.Product.Heap.Buffer.Overflow
Released Mar 13, 2019

Users should apply the solution provided by Tableau Software.

Timeline

Fortinet reported the vulnerability to Tableau Software on January 21 , 2019.

Tableau Software confirmed the vulnerability on January 22, 2019.

Tableau Software patched the vulnerability on February 21, 2019.

References

• https://community.tableau.com/community/security-bulletins/blog/2019/02/21/important-adv-2019-004-heap-based-buffer-overflow

Acknowledgement

This vulnerability was discovered by Kushal Arvind Shah of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.