#VU75480 Path traversal in Repetier Server - CVE-2023-31059

Vulnerability identifier: #VU75480

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-31059

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Repetier Server
Server applications / Other server solutions

Vendor: repetier-server

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 in the connectionLost.php script. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

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

Vulnerable software versions

Repetier Server: 1.4.10

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External links
https://www.repetier-server.com/download-repetier-server/
https://cybir.com/2023/cve/poc-repetier-server-140/

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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.