#VU71788 Out-of-bounds write in DIAScreen


Published: 2023-02-03 | Updated: 2023-05-02

Vulnerability identifier: #VU71788

Vulnerability 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-2023-0249

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DIAScreen
Server applications / Other server solutions

Vendor: Delta Electronics, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when parsing DPA files. A remote attacker can trick the victim to open a specially crafted file, 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: 1.2.1.23


External links
http://ics-cert.us-cert.gov/advisories/icsa-23-033-01
http://www.zerodayinitiative.com/advisories/ZDI-23-520/
http://www.zerodayinitiative.com/advisories/ZDI-23-513/


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.


Latest bulletins with this vulnerability