# CVE-2006-4691: Memory corruption in n/a

> Remote attackers can execute arbitrary code on Windows systems via a stack-based buffer overflow in the Workstation service RPC handler.

- **Severity:** Critical 10.0 (`AV:N/AC:L/Au:N/C:C/I:C/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:** 14 Nov 2006
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-xg2q-j7hq-x7wj

## What is CVE-2006-4691?

CVE-2006-4691 is a critical memory corruption vulnerability in Microsoft Windows 2000, published on 14 Nov 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Stack-based buffer overflow in the NetpManageIPCConnect function in the Workstation service (wkssvc.dll) in Microsoft Windows 2000 SP4 and XP SP2 allows remote attackers to execute arbitrary code via NetrJoinDomain2 RPC messages with a long hostname.

## Which versions are affected by CVE-2006-4691?

It affects 2 products.


Products: Microsoft Windows 2000, Microsoft Windows Xp.

## How do I fix CVE-2006-4691?

No fix has been published for CVE-2006-4691 yet. Limit exposure of the affected software until one is available.

## Is CVE-2006-4691 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-4691 exists.

Public exploit code:

- MS06-070 Microsoft Workstation Service NetpManageIPCConnect Overflow (metasploit)
- Microsoft Windows - NetpManageIPCConnect Stack Overflow (MS06-070) (exploitdb)
- Microsoft Windows - Wkssvc NetrJoinDomain2 Stack Overflow (MS06-070) (exploitdb)
- Microsoft Windows - 'NetpManageIPCConnect' Remote Stack Overflow (MS06-070) (exploitdb)
- Microsoft Workstation Service - NetpManageIPCConnect Overflow (MS06-070) (Metasploit) (exploitdb)

## Other vulnerabilities in Microsoft Windows 2000

- [CVE-2008-4250](https://insights.sbomify.com/CVE-2008-4250/): Microsoft Windows Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2010-0232](https://insights.sbomify.com/CVE-2010-0232/): Microsoft Windows Kernel Exception Handler (high 7.8, exploited in the wild)
- [CVE-2009-1123](https://insights.sbomify.com/CVE-2009-1123/): Microsoft Windows Improper Input Validation (high 7.8, exploited in the wild)
- [CVE-2002-0367](https://insights.sbomify.com/CVE-2002-0367/): Microsoft Windows Privilege Escalation (high 7.8, exploited in the wild)
- [CVE-2010-0269](https://insights.sbomify.com/CVE-2010-0269/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2006-4691 and fix it if it is affected.

What it is: CVE-2006-4691 is a critical memory corruption vulnerability in Microsoft Windows 2000, published on 14 Nov 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-4691 exists.

Affected product: Microsoft Windows 2000. 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-2006-4691/ (Markdown: https://insights.sbomify.com/CVE-2006-4691/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2006-4691
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2006-4691
- OSV: https://osv.dev/vulnerability/CVE-2006-4691

---
From sbomify Insights: https://insights.sbomify.com/CVE-2006-4691/
Summaries are generated and may contain mistakes; the official description above is the record.