# CVE-2024-6744: Memory corruption in Secure Email Gateway

> Unauthenticated remote attackers can execute arbitrary system commands via a buffer overflow in the SMTP listener of Cellopoint Secure Email Gateway.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Jul 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-c8f7-58h9-9239

## What is CVE-2024-6744?

CVE-2024-6744 is a critical memory corruption vulnerability in Cellopoint Secure Email Gateway, published on 15 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The SMTP Listener of Secure Email Gateway from Cellopoint does not properly validate user input, leading to a Buffer Overflow vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on the remote server.

Weakness: CWE-787 (Out-of-bounds Write), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2024-6744?

It affects 1 product.


Products: Cellopoint Secure Email Gateway.

## How do I fix CVE-2024-6744?

No fix has been published for CVE-2024-6744 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-6744 being exploited?

There is no known exploitation of CVE-2024-6744 in the wild and no public exploit code.

## Other vulnerabilities in Cellopoint Secure Email Gateway

- [CVE-2024-9043](https://insights.sbomify.com/CVE-2024-9043/): Cellopoint Secure Email Gateway - Buffer Overflow (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-6744 and fix it if it is affected.

What it is: CVE-2024-6744 is a critical memory corruption vulnerability in Cellopoint Secure Email Gateway, published on 15 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-6744 in the wild and no public exploit code.

Affected product: Cellopoint Secure Email Gateway. 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-2024-6744/ (Markdown: https://insights.sbomify.com/CVE-2024-6744/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-6744
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-6744
- OSV: https://osv.dev/vulnerability/CVE-2024-6744

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-6744/
Summaries are generated and may contain mistakes; the official description above is the record.