Vulnerability identifier: #VU11779

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7530

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CX-One
Server applications / Frameworks for developing and running applications
CX-FLnet
Server applications / Application servers
CX-Protocol
Server applications / Application servers
CX-Programmer
Server applications / Application servers
Network Configurator
Server applications / Application servers
CX-Server
Web applications / Other software
Switch Box Utility
Web applications / Other software

Vendor: Omron

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to type confusion. A remote attacker can parse specially crafted project files, allow the pointer to call an incorrect object and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update CX-FLnet to 1.10, CX-Protocol to 1.993, CX-Programmer to 9.66, Common Module including CX-Server to 5.0.23, Network Configurator to 3.64 and Switch Box Utility to 1.69.

Vulnerable software versions

CX-One: 4.42

CX-FLnet: 1.00

CX-Protocol: 1.992

CX-Programmer: 9.65

CX-Server: 5.0.22

Network Configurator: 3.63

Switch Box Utility: 1.68

---

External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-100-02

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.