#VU79989 Path traversal in Simple Editor - CVE-2023-40497

Vulnerability identifier: #VU79989

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-40497

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple Editor
Server applications / Frameworks for developing and running applications

Vendor: LG Electronics

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 saveXml command implemented in the makeDetailContent method. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary files on the system.

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

Vulnerable software versions

Simple Editor: All versions

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1203/

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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.