Advisory Details

January 14th, 2019

OMRON CX-One CX-Protocol CObject Type Confusion Remote Code Execution Vulnerability

ZDI-19-017
ZDI-CAN-6565

CVE ID CVE-2018-19027
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-One
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of OMRON CX-One CX-Protocol. 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 PSW 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-19-010-02
DISCLOSURE TIMELINE
  • 2018-07-02 - Vulnerability reported to vendor
  • 2019-01-14 - Coordinated public release of advisory
CREDIT Esteban Ruiz (mr_me) of Source Incite
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