# CVE-2018-3938: Memory corruption in Sony

> A stack-based buffer overflow in Sony IPELA cameras allows remote code execution via a malicious POST request.

- **Severity:** Critical 9.1 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Aug 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-7qmf-37fc-vqcp

## What is CVE-2018-3938?

CVE-2018-3938 is a critical memory corruption vulnerability in Talos Sony, published on 14 Aug 2018. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

An exploitable stack-based buffer overflow vulnerability exists in the 802dot1xclientcert.cgi functionality of Sony IPELA E Series Camera G5 firmware 1.87.00. A specially crafted POST can cause a stack-based buffer overflow, resulting in remote code execution. An attacker can send a malicious POST request to trigger this vulnerability.

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2018-3938?

It affects 14 products.


Products: Sony Snc-Eb600 Firmware, Sony Snc-Eb600b Firmware, Sony Snc-Eb602r Firmware, Sony Snc-Eb630 Firmware, Sony Snc-Eb630b Firmware, Sony Snc-Eb632r Firmware, Sony Snc-Em600 Firmware, Sony Snc-Em601 Firmware, Sony Snc-Em602r Firmware, Sony Snc-Em602rc Firmware, Sony Snc-Em630 Firmware, Sony Snc-Em631 Firmware, Sony Snc-Em632r Firmware, Sony Snc-Em632rc Firmware.

## How do I fix CVE-2018-3938?

No fix has been published for CVE-2018-3938 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-3938 being exploited?

There is no known exploitation of CVE-2018-3938 in the wild and no public exploit code.

## Other vulnerabilities in Talos Sony

- [CVE-2018-3937](https://insights.sbomify.com/CVE-2018-3937/): Command injection in Sony (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-3938 and fix it if it is affected.

What it is: CVE-2018-3938 is a critical memory corruption vulnerability in Talos Sony, published on 14 Aug 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-3938 in the wild and no public exploit code.

Affected product: Talos Sony. 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-2018-3938/ (Markdown: https://insights.sbomify.com/CVE-2018-3938/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-3938
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-3938
- OSV: https://osv.dev/vulnerability/CVE-2018-3938

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-3938/
Summaries are generated and may contain mistakes; the official description above is the record.