Out-of-bounds write in Mitsubishi Electric Electrical Discharge Machines

1) Out-of-bounds write

EUVDB-ID: #VU75011

Risk: High

CVSSv3.1: 9.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C]

CVE-ID: CVE-2023-21554

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in Microsoft Message Queuing. A remote attacker can send a specially crafted malicious MSMQ packet, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Sinker EDM SG28: All versions

Sinker EDM SG12: All versions

Sinker EDM SG8: All versions

Sinker EDM SV12P: All versions

Sinker EDM SV8P: All versions

Wire-cut EDM MX2400: All versions

Wire-cut EDM MX900: All versions

Wire-cut EDM MP4800: All versions

Wire-cut EDM MP2400: All versions

Wire-cut EDM MP1200: All versions

Wire-cut EDM MV4800R: All versions

Wire-cut EDM MV2400R: All versions

Wire-cut EDM MV1200R: All versions

Wire-cut EDM MV4800S: All versions

Wire-cut EDM MV2400S: All versions

Wire-cut EDM MV1200S: All versions

External links

http://www.cisa.gov/news-events/ics-advisories/icsa-24-051-03
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-022_en.pdf

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. However, a fully functional exploit for this vulnerability is available.