# CVE-2024-5924: Dropbox Desktop Folder Sharing Mark-of-the-Web Bypass Vulnerability

> Remote attackers can bypass Mark-of-the-Web protections in Dropbox Desktop to execute arbitrary code via shared folders.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Jun 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-wm9f-3fjp-v86p

## What is CVE-2024-5924?

CVE-2024-5924 is a high-severity vulnerability in Dropbox Desktop, published on 13 Jun 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Dropbox Desktop Folder Sharing Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of Dropbox Desktop. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of shared folders. When syncing files from a shared folder belonging to an untrusted account, the Dropbox desktop application does not apply the Mark-of-the-Web to the local files. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user. Was ZDI-CAN-23991.

Weakness: CWE-693 (Protection Mechanism Failure)

## Which versions are affected by CVE-2024-5924?

It affects 1 product.


Products: Dropbox Dropbox Desktop.

## How do I fix CVE-2024-5924?

No fix has been published for CVE-2024-5924 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-5924 being exploited?

There is no known exploitation of CVE-2024-5924 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-5924 and fix it if it is affected.

What it is: CVE-2024-5924 is a high-severity vulnerability in Dropbox Desktop, published on 13 Jun 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-5924 in the wild and no public exploit code.

Affected product: Dropbox Desktop. 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-2024-5924/ (Markdown: https://insights.sbomify.com/CVE-2024-5924/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-5924
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-5924
- OSV: https://osv.dev/vulnerability/CVE-2024-5924

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-5924/
Summaries are generated and may contain mistakes; the official description above is the record.