# CVE-2023-34419: Memory corruption in Lenovo Notebook

> A buffer overflow in the SetupUtility driver allows local attackers with elevated privileges to execute arbitrary code on Lenovo Notebooks.

- **Severity:** Medium 6.7 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Aug 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-x4pq-3h8q-r7jw

## What is CVE-2023-34419?

CVE-2023-34419 is a medium-severity memory corruption vulnerability in Lenovo Notebook, published on 17 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A buffer overflow has been identified in the SetupUtility driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2023-34419?

It affects 30 products.


Products: Lenovo Legion 5-15ach6 Firmware, Lenovo Legion 5-15ach6a Firmware, Lenovo Legion 5-15ach6h Firmware, Lenovo Legion 5-15ith6 Firmware, Lenovo Legion 5-15ith6h Firmware, Lenovo Legion 5-17ach6 Firmware, Lenovo Legion 5-17ach6h Firmware, Lenovo Legion 5-17ith6 Firmware, Lenovo Legion 5-17ith6h Firmware, Lenovo Legion 5 15arh7 Firmware, Lenovo Legion 5 15arh7h Firmware, Lenovo Legion 5 15iah7 Firmware, Lenovo Legion 5 15iah7h Firmware, Lenovo Legion 5 Pro-16ach6 Firmware, Lenovo Legion 5 Pro-16ach6h Firmware, Lenovo Legion 5 Pro-16ith6 Firmware, Lenovo Legion 5 Pro-16ith6h Firmware, Lenovo Legion 5 Pro 16arh7 Firmware, Lenovo Legion 5 Pro 16arh7h Firmware, Lenovo Legion 5 Pro 16iah7 Firmware and 10 more.

## How do I fix CVE-2023-34419?

No fix has been published for CVE-2023-34419 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-34419 being exploited?

There is no known exploitation of CVE-2023-34419 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-34419 and fix it if it is affected.

What it is: CVE-2023-34419 is a medium-severity memory corruption vulnerability in Lenovo Notebook, published on 17 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-34419 in the wild and no public exploit code.

Affected product: Lenovo Notebook. 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-2023-34419/ (Markdown: https://insights.sbomify.com/CVE-2023-34419/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-34419
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-34419
- OSV: https://osv.dev/vulnerability/CVE-2023-34419

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-34419/
Summaries are generated and may contain mistakes; the official description above is the record.