#VU78801 Heap-based buffer overflow in CX-Programmer - CVE-2023-38747

Vulnerability identifier: #VU78801

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-38747

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CX-Programmer
Server applications / Application servers

Vendor: Omron

Description

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

The vulnerability exists due to a boundary error. A remote attacker can trick a victim to open a specially crafted CXP file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CX-Programmer: 9.80

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External links
https://jvn.jp/en/vu/JVNVU93286117/index.html
https://www.ia.omron.com/product/vulnerability/OMSR-2023-005_en.pdf

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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.