# CVE-2024-28232: Username Enumeration in CasaOS via bypass of CVE-2024-24766

> Attackers can enumerate valid usernames on CasaOS login pages, bypassing previous fixes, potentially aiding further attacks.

- **Severity:** Medium 6.2 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Apr 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-hcw2-2r9c-gc6p, GO-2024-2668

## What is CVE-2024-28232?

CVE-2024-28232 is a medium-severity vulnerability in IceWhaleTech CasaOS-UserService, published on 1 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Go package IceWhaleTech/CasaOS-UserService provides user management functionalities to CasaOS. The Casa OS Login page has disclosed the username enumeration vulnerability in the login page which was patched in version 0.4.7. This issue in CVE-2024-28232 has been patched in version 0.4.8 but that version has not yet been uploaded to Go's package manager.

Weakness: CWE-204 (Observable Response Discrepancy)

## Which versions are affected by CVE-2024-28232?

3 open source packages ship an affected version, including github.com/IceWhaleTech/CasaOS-UserService. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/IceWhaleTech/CasaOS-UserService` | Go | All versions | 0.4.8 |
| `github.com/IceWhaleTech/CasaOS-UserService` | Go | From 0.4.7 | 0.4.8 |
| `github.com/IceWhaleTech/CasaOS-UserService` | Go | From 0.4.7 | 0.4.8 |

Products: Icewhale Casaos-Userservice.

## How do I fix CVE-2024-28232?

Upgrade github.com/IceWhaleTech/CasaOS-UserService to 0.4.8 or later.

## Is CVE-2024-28232 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-28232 exists.

## Other vulnerabilities in IceWhaleTech CasaOS-UserService

- [CVE-2024-24766](https://insights.sbomify.com/CVE-2024-24766/): CasaOS Username Enumeration (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-28232 and fix it if it is affected.

What it is: CVE-2024-28232 is a medium-severity vulnerability in IceWhaleTech CasaOS-UserService, published on 1 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-28232 exists.

Affected packages and fixed versions:
- github.com/IceWhaleTech/CasaOS-UserService (Go): affected all versions; fixed in 0.4.8
- github.com/IceWhaleTech/CasaOS-UserService (Go): affected from 0.4.7; fixed in 0.4.8
- github.com/IceWhaleTech/CasaOS-UserService (Go): affected from 0.4.7; fixed in 0.4.8

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-2024-28232/ (Markdown: https://insights.sbomify.com/CVE-2024-28232/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-28232
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-28232
- OSV: https://osv.dev/vulnerability/CVE-2024-28232

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-28232/
Summaries are generated and may contain mistakes; the official description above is the record.