# CVE-2024-7834: Local privilege escalation in Overwolf

> An attacker with local access can escalate privileges to SYSTEM by placing a malicious DLL in a user-writable folder loaded by Overwolf.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Sep 2024
- **Updated:** 4 Sep 2024
- **Also known as:** GHSA-4j5r-p7p6-v9j4

## What is CVE-2024-7834?

CVE-2024-7834 is a high-severity vulnerability in Overwolf, published on 4 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A local privilege escalation is caused by Overwolf
loading and executing certain dynamic link library files from a user-writeable
folder in SYSTEM context on launch. This allows an attacker with unprivileged
access to the system to run arbitrary code with SYSTEM privileges by placing a
malicious .dll file in the respective location.

Weakness: CWE-427 (Uncontrolled Search Path Element)

## Which versions are affected by CVE-2024-7834?

It affects 1 product.


Products: Overwolf Overwolf.

## How do I fix CVE-2024-7834?

No fix has been published for CVE-2024-7834 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7834 being exploited?

There is no known exploitation of CVE-2024-7834 in the wild and no public exploit code.

## Other vulnerabilities in Overwolf

- [CVE-2021-33501](https://insights.sbomify.com/CVE-2021-33501/): Cross-site scripting in n/a (critical 9.6)
- [CVE-2020-15932](https://insights.sbomify.com/CVE-2020-15932/): Path traversal in n/a (high 8.8)
- [CVE-2020-25214](https://insights.sbomify.com/CVE-2020-25214/): Missing authorization in n/a (high 8.1)
- [CVE-2021-20726](https://insights.sbomify.com/CVE-2021-20726/): Privilege escalation in The Installer of Overwolf (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7834 and fix it if it is affected.

What it is: CVE-2024-7834 is a high-severity vulnerability in Overwolf, published on 4 Sep 2024. 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-2024-7834 in the wild and no public exploit code.

Affected product: Overwolf. 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-2024-7834/ (Markdown: https://insights.sbomify.com/CVE-2024-7834/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7834
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7834
- OSV: https://osv.dev/vulnerability/CVE-2024-7834

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-7834/
Summaries are generated and may contain mistakes; the official description above is the record.
