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National Cyber Awareness System

Vulnerability Summary for CVE-2006-0023

Original release date:02/08/2006
Last revised:03/07/2011
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:4.3 (MEDIUM) (AV:L/AC:L/Au:S/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.1
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#953860
Name: VU#953860
Type: Advisory
Hyperlink:http://www.kb.cert.org/vuls/id/953860
External Source: MS
Name: MS06-011
Type: Patch Information
Hyperlink:http://www.microsoft.com/technet/security/bulletin/ms06-011.mspx
External Source: SECUNIA
Name: 18756
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/18756
External Source: XF
Name: win-auth-users-insecure-permissions(24463)
Hyperlink:http://xforce.iss.net/xforce/xfdb/24463
External Source: CONFIRM
Name: http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=391523&RenditionID=
Hyperlink:http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=391523&RenditionID=
External Source: VUPEN
Name: ADV-2006-0417
Type: Advisory
Hyperlink:http://www.vupen.com/english/advisories/2006/0417
External Source: BUGTRAQ
Name: 20060131 Windows Access Control Demystified
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/423587/100/0/threaded
External Source: MISC
Name: http://www.microsoft.com/technet/security/advisory/914457.mspx
Type: Advisory
Hyperlink:http://www.microsoft.com/technet/security/advisory/914457.mspx
External Source: MISC
Name: http://www.cs.princeton.edu/~sudhakar/papers/winval.pdf
Hyperlink:http://www.cs.princeton.edu/~sudhakar/papers/winval.pdf
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2006-069.htm
Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-069.htm
External Source: SECTRACK
Name: 1015765
Hyperlink:http://securitytracker.com/id?1015765
External Source: SECTRACK
Name: 1015595
Hyperlink:http://securitytracker.com/id?1015595
External Source: SECUNIA
Name: 19313
Type: Advisory
Hyperlink:http://secunia.com/advisories/19313
External Source: SECUNIA
Name: 19238
Type: Advisory
Hyperlink:http://secunia.com/advisories/19238
US Government Resource: oval:org.mitre.oval:def:1696
Name: oval:org.mitre.oval:def:1696
Type: Tool Signature
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1696
US Government Resource: oval:org.mitre.oval:def:1671
Name: oval:org.mitre.oval:def:1671
Type: Tool Signature
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1671

References to Check Content

Identifier:oval:org.mitre.oval:def:1671
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:1671
Identifier:oval:org.mitre.oval:def:1696
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:1696

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/o:microsoft:windows_xp::sp1:tablet_pc
spacerspacerNav control image* cpe:/o:microsoft:windows_xp::sp2:tablet_pc
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0023