# CVE-2007-2491: Memory corruption in n/a

> Local attackers can crash virtual machines or potentially execute code by writing to arbitrary memory via a crafted I/O port poke in VMware Workstation and Server.

- **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:** 4 May 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-rf4c-m93m-m5w7

## What is CVE-2007-2491?

CVE-2007-2491 is a high-severity memory corruption vulnerability in Vmware Server, published on 4 May 2007. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The PIIX4 power management subsystem in EMC VMware Workstation 5.5.3.34685 and VMware Server 1.0.1.29996 allows local users to write to arbitrary memory locations via a crafted poke to I/O port 0x1004, triggering a denial of service (virtual machine crash) or other unspecified impact, a related issue to CVE-2007-1337.

## Which versions are affected by CVE-2007-2491?

It affects 2 products.


Products: Vmware Server, Vmware Workstation.

## How do I fix CVE-2007-2491?

No fix has been published for CVE-2007-2491 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-2491 being exploited?

There is no known exploitation of CVE-2007-2491 in the wild and no public exploit code.

## Other vulnerabilities in Vmware Server

- [CVE-2007-5619](https://insights.sbomify.com/CVE-2007-5619/): Information disclosure in n/a (high 7.2)
- [CVE-2008-3697](https://insights.sbomify.com/CVE-2008-3697/): Denial of service in n/a (medium 5.0)
- [CVE-2006-2662](https://insights.sbomify.com/CVE-2006-2662/): Information disclosure in n/a (medium 4.6)
- [CVE-2010-1193](https://insights.sbomify.com/CVE-2010-1193/): Cross-site scripting in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-2491 and fix it if it is affected.

What it is: CVE-2007-2491 is a high-severity memory corruption vulnerability in Vmware Server, published on 4 May 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-2007-2491 in the wild and no public exploit code.

Affected product: Vmware Server. 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-2007-2491/ (Markdown: https://insights.sbomify.com/CVE-2007-2491/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-2491
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-2491
- OSV: https://osv.dev/vulnerability/CVE-2007-2491

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-2491/
Summaries are generated and may contain mistakes; the official description above is the record.