Vulnerability identifier: #VU68754

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41657

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
InfraSuite Device Master
Other software / Other software solutions

Vendor: Delta Electronics, Inc.

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the CtrlLayerNWCmd_FileOperation function. A remote attacker can send a specially crafted HTTP request and create arbitrary files on the system, leading to arbitrary code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

InfraSuite Device Master: 00.00.01a

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External links
http://ics-cert.us-cert.gov/advisories/icsa-22-298-07
http://www.zerodayinitiative.com/advisories/ZDI-23-086/
http://www.zerodayinitiative.com/advisories/ZDI-23-085/
http://www.zerodayinitiative.com/advisories/ZDI-23-084/
http://www.zerodayinitiative.com/advisories/ZDI-23-082/

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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.