Microsoft Windows 2000 Terminal Services allows attacker to bypass group policy settings

win2k-terminal-bypass-policies (8813) The risk level is classified as MediumMedium Risk

Description:

The Terminal Services in Microsoft Windows 2000 Server could allow a remote attacker to bypass group policy settings and gain unauthorized access to network resources. If the amount of authenticated users exceeds the "per server" licenses, the group policy settings in the "SYSVOL" share are not applied, which would allow the attacker to have the same privileges on the Terminal Server as the local system.


Consequences:

Gain Privileges

Remedy:

No remedy available as of April 1, 2014.

References:

  • BugTraq Mailing List, n Apr 08 2002 - 17:16:04 CDT: Vulnerability: Windows2000Server running Terminalservices.
  • BID-4464: Microsoft Windows Terminal Server Group Policy Bypass Vulnerability
  • CVE-2002-0444: Microsoft Windows 2000 running the Terminal Server 90-day trial version, and possibly other versions, does not apply group policies to incoming users when the number of connections to the SYSVOL share exceeds the maximum, e.g. with a maximum number of licenses, which can allow remote authenticated users to bypass group policies.
  • OSVDB ID: 13423: Microsoft Windows 2000 Terminal Server SYSVOL Share Connection Saturation Restriction Bypass

Platforms Affected:

  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Datacenter Server

Reported:

Apr 08, 2002

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