Advisory Details

October 17th, 2018

OMRON CX-Supervisor SCS File Parsing Type Confusion Remote Code Execution Vulnerability

ZDI-18-1286
ZDI-CAN-6418

CVE ID CVE-2018-17913
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS OMRON
AFFECTED PRODUCTS CX-Supervisor
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of OMRON CX-Supervisor. 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 handling of SCS files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS OMRON has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-18-290-01
DISCLOSURE TIMELINE
  • 2018-06-28 - Vulnerability reported to vendor
  • 2018-10-17 - Coordinated public release of advisory
  • 2018-10-17 - Advisory Updated
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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