#VU78800 Out-of-bounds read in CX-Programmer - CVE-2023-38746

Vulnerability identifier: #VU78800

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38746

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CX-Programmer
Server applications / Application servers

Vendor: Omron

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted CXP file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the 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.