# CVE-2023-0238: Injecting Activity Loads in WARP Mobile Client

> A malicious app can dictate the task behavior of the WARP Android client due to missing security policies, potentially disrupting its operation.

- **Severity:** Low 3.9 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/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:** No
- **Published:** 29 Aug 2023
- **Updated:** 30 Sep 2024

## What is CVE-2023-0238?

CVE-2023-0238 is a low-severity vulnerability in Cloudflare WARP Client, published on 29 Aug 2023. 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

Due to lack of a security policy, the WARP Mobile Client (<=6.29) for Android was susceptible to this vulnerability which allowed a malicious app installed on a victim's device to exploit a peculiarity in an Android function, wherein under certain conditions, the malicious app could dictate the task behaviour of the WARP app.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-0238?

It affects 1 product.


Products: Cloudflare Warp.

## How do I fix CVE-2023-0238?

No fix has been published for CVE-2023-0238 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-0238 being exploited?

There is no known exploitation of CVE-2023-0238 in the wild and no public exploit code.

## Other vulnerabilities in Cloudflare WARP Client

- [CVE-2022-4428](https://insights.sbomify.com/CVE-2022-4428/): support_uri validation missing in WARP client for Windows (high 8.9)
- [CVE-2022-2225](https://insights.sbomify.com/CVE-2022-2225/): Zero Trust Secure Web Gateway policies bypass using WARP client subcommands (high 8.1)
- [CVE-2023-2754](https://insights.sbomify.com/CVE-2023-2754/): Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client (high 7.4)
- [CVE-2023-1862](https://insights.sbomify.com/CVE-2023-1862/): Remote access to warp-svc.exe in Cloudflare WARP (high 7.3)
- [CVE-2023-0652](https://insights.sbomify.com/CVE-2023-0652/): Local Privilege Escalation in Cloudflare WARP Installer (Windows) (high 7.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-0238 and fix it if it is affected.

What it is: CVE-2023-0238 is a low-severity vulnerability in Cloudflare WARP Client, published on 29 Aug 2023. 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: There is no known exploitation of CVE-2023-0238 in the wild and no public exploit code.

Affected product: Cloudflare WARP Client. 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-2023-0238/ (Markdown: https://insights.sbomify.com/CVE-2023-0238/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-0238
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0238
- OSV: https://osv.dev/vulnerability/CVE-2023-0238

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-0238/
Summaries are generated and may contain mistakes; the official description above is the record.