Advisory Details

December 2nd, 2015

Unitronics VisiLogic OPLC IDE TeeChart.ChartGridNavigator.5 ActiveX Control GridLink Remote Code Execution Vulnerability

ZDI-15-579
ZDI-CAN-2919

CVE ID CVE-2015-6478
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Unitronics
AFFECTED PRODUCTS VisiLogic OPLC IDE
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19857. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Unitronics VisiLogic OPLC IDE. 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 the ChartGridNavigator control in TeeChart5.ocx. The GridLink modifier takes an integer from the caller which is then interpreted as an object address and used in processing. This vulnerability can be leveraged by an attacker to achieve remote code execution under the context of the process.

ADDITIONAL DETAILS Unitronics has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-15-274-02
DISCLOSURE TIMELINE
  • 2015-05-06 - Vulnerability reported to vendor
  • 2015-12-02 - Coordinated public release of advisory
CREDIT Fritz Sands of the Zero Day Initiative
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