# CVE-2018-18387: Privilege escalation in n/a

> Attackers can escalate privileges by abusing the daemon in playSMS, potentially gaining unauthorized administrative control.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Oct 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-66c8-rq2c-rh44

## What is CVE-2018-18387?

CVE-2018-18387 is a high-severity vulnerability in n/a, published on 29 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

playSMS through 1.4.2 allows Privilege Escalation through Daemon abuse.

Weakness: CWE-829 (Inclusion of Functionality from Untrusted Control Sphere)

## Which versions are affected by CVE-2018-18387?

It affects 1 product.


Products: Playsms Project Playsms.

## How do I fix CVE-2018-18387?

No fix has been published for CVE-2018-18387 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-18387 being exploited?

There is no known exploitation of CVE-2018-18387 in the wild and no public exploit code.

Public exploit code:

- playSMS < = 1.4.2 - Privilege escalation (github_poc): https://github.com/TheeBlind/CVE-2018-18387

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-18387 and fix it if it is affected.

What it is: CVE-2018-18387 is a high-severity vulnerability in n/a, published on 29 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-18387 in the wild and no public exploit code.

Affected product: n/a. 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-2018-18387/ (Markdown: https://insights.sbomify.com/CVE-2018-18387/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-18387
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18387
- OSV: https://osv.dev/vulnerability/CVE-2018-18387

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-18387/
Summaries are generated and may contain mistakes; the official description above is the record.