Advisory Details

February 16th, 2022

Omron CX-One SDD File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-22-373
ZDI-CAN-14038

CVE ID CVE-2022-21137
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 SDD files in the CXDrive module. The issue results from the lack of proper validation of user-supplied data, which can result in a read 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/uscert/ics/advisories/icsa-22-006-01
DISCLOSURE TIMELINE
  • 2021-07-20 - Vulnerability reported to vendor
  • 2022-02-16 - Coordinated public release of advisory
CREDIT xina1i
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