#VU77656 External Control of File Name or Path in R-SeeNet - CVE-2023-3256

Vulnerability identifier: #VU77656

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3256

CWE-ID: CWE-73

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
R-SeeNet
Server applications / Other server solutions

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to application allows an attacker to control path of the files. A remote user can send a specially crafted HTTP request to access and load the content of local files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

R-SeeNet: 2.4.22

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-173-02
https://www.zerodayinitiative.com/advisories/ZDI-23-1157/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.