# CVE-2007-4405: Denial of service in n/a

> Remote attackers can cause denial of service in ircu IRC servers by creating numerous unused channels, consuming memory and bandwidth.

- **Severity:** High 7.8 (`AV:N/AC:L/Au:N/C:N/I:N/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Aug 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-chv6-62j2-334r

## What is CVE-2007-4405?

CVE-2007-4405 is a high-severity denial of service vulnerability in n/a, published on 18 Aug 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ircu 2.10.12.02 through 2.10.12.04 allows remote attackers to cause a denial of service (memory and bandwidth consumption) by creating a large number of unused channels (zannels).

## Which versions are affected by CVE-2007-4405?

It affects 1 product.


Products: Universal Ircd Ircu.

## How do I fix CVE-2007-4405?

No fix has been published for CVE-2007-4405 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-4405 being exploited?

There is no known exploitation of CVE-2007-4405 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2007-4404](https://insights.sbomify.com/CVE-2007-4404/): Denial of service in n/a (high 7.8)
- [CVE-2007-4406](https://insights.sbomify.com/CVE-2007-4406/): Privilege escalation in n/a (high 7.5)
- [CVE-2007-4407](https://insights.sbomify.com/CVE-2007-4407/): Privilege escalation in n/a (medium 6.4)
- [CVE-2007-4410](https://insights.sbomify.com/CVE-2007-4410/): Race condition in n/a (medium 6.0)
- [CVE-2007-4409](https://insights.sbomify.com/CVE-2007-4409/): Race condition in n/a (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-4405 and fix it if it is affected.

What it is: CVE-2007-4405 is a high-severity denial of service vulnerability in n/a, published on 18 Aug 2007. 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-2007-4405 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-2007-4405/ (Markdown: https://insights.sbomify.com/CVE-2007-4405/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-4405
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-4405
- OSV: https://osv.dev/vulnerability/CVE-2007-4405

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-4405/
Summaries are generated and may contain mistakes; the official description above is the record.