# CVE-2023-40505: LG Simple Editor createThumbnailByMovie Command Injection Remote Code Execution Vulnerability

> Remote attackers can execute arbitrary code with SYSTEM privileges via command injection in LG Simple Editor without authentication.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 May 2024
- **Updated:** 18 Sep 2024
- **Also known as:** GHSA-38hf-j8cf-rw67

## What is CVE-2023-40505?

CVE-2023-40505 is a critical command injection vulnerability in LG Simple Editor, published on 3 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

LG Simple Editor createThumbnailByMovie Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the createThumbnailByMovie method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
. Was ZDI-CAN-19978.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2023-40505?

It affects 1 product.


Products: Lg Simple Editor.

## How do I fix CVE-2023-40505?

No fix has been published for CVE-2023-40505 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-40505 being exploited?

There is no known exploitation of CVE-2023-40505 in the wild and no public exploit code.

## Other vulnerabilities in LG Simple Editor

- [CVE-2023-40493](https://insights.sbomify.com/CVE-2023-40493/): LG Simple Editor copySessionFolder Directory Traversal Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2023-40497](https://insights.sbomify.com/CVE-2023-40497/): LG Simple Editor saveXml Directory Traversal Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2023-40498](https://insights.sbomify.com/CVE-2023-40498/): LG Simple Editor cp Command Directory Traversal Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2023-40500](https://insights.sbomify.com/CVE-2023-40500/): LG Simple Editor copyContent Exposed Dangerous Function Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2023-40501](https://insights.sbomify.com/CVE-2023-40501/): LG Simple Editor copyContent Exposed Dangerous Function Remote Code Execution Vulnerability (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-40505 and fix it if it is affected.

What it is: CVE-2023-40505 is a critical command injection vulnerability in LG Simple Editor, published on 3 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-40505 in the wild and no public exploit code.

Affected product: LG Simple Editor. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-40505/ (Markdown: https://insights.sbomify.com/CVE-2023-40505/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-40505
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-40505
- OSV: https://osv.dev/vulnerability/CVE-2023-40505

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-40505/
Summaries are generated and may contain mistakes; the official description above is the record.