Advisory Details

March 7th, 2023

Omron CX-One CXP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-23-224
ZDI-CAN-15355

CVE ID CVE-2022-3397
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 affected installations of Omron CX-One. 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 parsing of CXP files in the CX-Programmer module. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. 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://www.cisa.gov/news-events/ics-advisories/icsa-22-277-04
DISCLOSURE TIMELINE
  • 2022-06-01 - Vulnerability reported to vendor
  • 2023-03-07 - Coordinated public release of advisory
CREDIT xina1i
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