TippingPoint Zero Day Initiative
 

Fuji Electric Monitouch V-SFT Project File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-17-643: August 10th, 2017

CVE ID

CVSS Score

Affected Vendors

    Fuji Electric

Affected Products

    Monitouch V-SFT

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Fuji Electric Monitouch V-SFT. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within parsing of a V8 project file. The issue lies in the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the process.

Vendor Response

Fuji Electric has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2016-09-08 - Vulnerability reported to vendor
    2017-08-10 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Ariele Caltabiano (kimiya)