Out-of-bounds write in Delta Electronics DIAScreen

1) Out-of-bounds write

EUVDB-ID: #VU81047

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5068

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error while parsing a specially crafted input file. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DIAScreen: before 1.3.2

External links

http://diastudio.deltaww.com/home/downloads?sec=download#catalog
http://www.cisa.gov/news-events/ics-advisories/icsa-23-264-03
http://www.zerodayinitiative.com/advisories/ZDI-23-1635/

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.