# CVE-2024-6388: Information disclosure in Ubuntu Advantage Desktop Pro

> Unprivileged users can read the Pro token due to plaintext argument passing in the Ubuntu Advantage Desktop Daemon.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 27 Jun 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-qr25-x8m6-w7qj, UBUNTU-CVE-2024-6388, USN-7063-1

## What is CVE-2024-6388?

CVE-2024-6388 is a medium-severity vulnerability in Canonical Ltd. Ubuntu Advantage Desktop Pro, published on 27 Jun 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon, before version 1.12, leaks the Pro token to unprivileged users by passing the token as an argument in plaintext.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information), CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere)

## Which versions are affected by CVE-2024-6388?

It affects 1 product.


Products: Canonical Ubuntu Advantage Desktop Daemon.

## How do I fix CVE-2024-6388?

Upgrade to a fixed version.

## Is CVE-2024-6388 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6388 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-6388 and fix it if it is affected.

What it is: CVE-2024-6388 is a medium-severity vulnerability in Canonical Ltd. Ubuntu Advantage Desktop Pro, published on 27 Jun 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6388 exists.

Affected product: Canonical Ltd. Ubuntu Advantage Desktop Pro. 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-2024-6388/ (Markdown: https://insights.sbomify.com/CVE-2024-6388/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-6388
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-6388
- OSV: https://osv.dev/vulnerability/CVE-2024-6388

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-6388/
Summaries are generated and may contain mistakes; the official description above is the record.