Advisory Details

January 19th, 2019

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

ZDI-19-119
ZDI-CAN-6715

CVE ID CVE-2018-19019
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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-19-017-01
DISCLOSURE TIMELINE
  • 2018-07-10 - Vulnerability reported to vendor
  • 2019-01-19 - Coordinated public release of advisory
CREDIT Esteban Ruiz (mr_me) of Source Incite
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