Description
smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges by duplicating a handle to a privileged process, as demonstrated by DebPloit.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Microsoft / windows_2000
- Microsoft / windows_nt4.0 – 4.0
- Microsoft / windows_nt4.0 – 4.0
References
- MISChttp://www.securityfocus.com/archive/1/264441
- MAILING_LISThttp://marc.info/?l=ntbugtraq&m=101614320402695&w=2
- MISChttp://www.securityfocus.com/bid/4287
- MISChttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-024
- MISChttp://www.securityfocus.com/archive/1/264927
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A76
- MISChttp://www.securityfocus.com/archive/1/262074
- MISChttp://www.iss.net/security_center/static/8462.php
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A158