# CVE-2007-5667: Privilege escalation in n/a

> Local attackers can exploit a kernel driver vulnerability in Novell Client to overwrite kernel memory and gain elevated privileges.

- **Severity:** High 7.2 (`AV:L/AC:L/Au:N/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Nov 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-c6gm-3h36-cg93

## What is CVE-2007-5667?

CVE-2007-5667 is a high-severity vulnerability in n/a, published on 14 Nov 2007. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server 2003 makes the \.\nwfilter device available for arbitrary user-mode input via METHOD_NEITHER IOCTLs, which allows local users to gain privileges by passing a kernel address as an argument and overwriting kernel memory locations.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2007-5667?

It affects 1 product.


Products: Novell Client.

## How do I fix CVE-2007-5667?

No fix has been published for CVE-2007-5667 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-5667 being exploited?

There is no known exploitation of CVE-2007-5667 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2007-6701](https://insights.sbomify.com/CVE-2007-6701/): Memory corruption in n/a (critical 10.0)
- [CVE-2008-0639](https://insights.sbomify.com/CVE-2008-0639/): Memory corruption in n/a (critical 10.0)
- [CVE-2007-2954](https://insights.sbomify.com/CVE-2007-2954/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-6443](https://insights.sbomify.com/CVE-2006-6443/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-2304](https://insights.sbomify.com/CVE-2006-2304/): Integer overflow in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-5667 and fix it if it is affected.

What it is: CVE-2007-5667 is a high-severity vulnerability in n/a, published on 14 Nov 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2007-5667 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-2007-5667/ (Markdown: https://insights.sbomify.com/CVE-2007-5667/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-5667
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-5667
- OSV: https://osv.dev/vulnerability/CVE-2007-5667

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-5667/
Summaries are generated and may contain mistakes; the official description above is the record.