Rewterz
Rewterz Threat Alert – Mirai Botnet aka Katana – Active IOCs
August 3, 2023
Rewterz
Rewterz Threat Alert – Russian Threat Actors Launch Phishing Attacks on Government Orgs via Microsoft Teams – Active IOCs
August 3, 2023

Rewterz Threat Advisory – ICS: Multiple Omron Products Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-38744 CVSS:7.5

Omron P CJ series and CS/CJ Series are vulnerable to a denial of service, caused by improper input validation. By sending a series of specific data packets, a remote attacker could exploit this vulnerability to a denial of service.

CVE-2023-38746 CVSS:7.8

OMRON CX-Programmer could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds read. By persuading a victim to open a specially-crafted CXP file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-38747 CVSS:7.8

OMRON CX-Programmer could allow a remote attacker to execute arbitrary code on the system, caused by a heap-based buffer overflow. By persuading a victim to open a specially-crafted CXP file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-38746 CVSS:7.8

OMRON CX-Programmer could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free. By persuading a victim to open a specially-crafted CXP file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Denial of Service
  • Code Execution

Indicators Of Compromise

CVE

  • CVE-2023-22023

Affected Vendors

Omron

Affected Products

  • Omron CJ2H PLC devices 1.4
  • Omron CJ2M 2.18
  • Omron CJ2H 3.04
  • Omron CJ1W-EIP21 3.04
  • Omron CX-Programmer 9.80

Remediation

Refer to the Omron Web site for patch, upgrade or suggested workaround information.

CVE-2023-38744

CVE-2023-38746

CVE-2023-38747

CVE-2023-38746