Advisory Details

December 2nd, 2015

Unitronics VisiLogic OPLC IDE TeeChart.ChartGrid.5 ActiveX Control ColWidths Remote Code Execution Vulnerability

ZDI-15-580
ZDI-CAN-2918

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 19856. 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 ChartGrid object in TeeChart5.ocx. A call to the Colwidths modifier can cause a user-supplied value to be written to any address in user memory. An attacker can leverage this vulnerability to execute arbitrary code 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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