#VU79988 Path traversal in Simple Editor - CVE-2023-40498

Vulnerability identifier: #VU79988

Vulnerability risk: High

CVSSv4.0: 9.3 [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:A/U:Amber]

CVE-ID: CVE-2023-40498

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

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 cp command implemented in the makeDetailContent method. A remote attacker can send a specially crafted HTTP request and copy files to an arbitrary location on the system.

Successful exploitation of the vulnerability may allows an attacker to compromise the affected system.

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

Vulnerable software versions

Simple Editor: All versions

---

External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1204/

---

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. However, a fully functional exploit for this vulnerability is available.