Home/CVE/The Remote Registry server in Windows NT 4.0 allows local authenticated users to cause a denial of service via a malform
CVE

CVE-2000-0377

The Remote Registry server in Windows NT 4.0 allows local authenticated users to cause a denial of service via a malform

The Remote Registry server in Windows NT 4.0 allows local authenticated users to cause a denial of service via a malformed request, which causes the winlogon process to fail, aka the "Remote Registry Access Authentication" vulnerability.

MEDIUM · CVSS 5 EPSS 0.10509
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
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Affected Products & Versions

1
microsoft windows ntall versions
⚠

Public Exploits & PoCs

2
dosMicrosoft Windows NT 4.0 - Remote Registry Request Denial of Service (1)verified
dosMicrosoft Windows NT 4.0 - Remote Registry Request Denial of Service (MS00-040) (2)verified
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Detection Rules (IDS/IPS)

17
et-openGPL NETBIOS SMB OpenKey little endian overflow attemptattempted-admin
et-openGPL NETBIOS SMB OpenKey overflow attemptattempted-admin
et-openGPL NETBIOS SMB OpenKey unicode little endian overflow attemptattempted-admin
et-openGPL NETBIOS SMB OpenKey unicode overflow attemptattempted-admin
et-openGPL NETBIOS SMB-DS OpenKey little endian overflow attemptattempted-admin
et-openGPL NETBIOS SMB-DS OpenKey overflow attemptattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
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Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumWow6432Node Windows NT CurrentVersion Autorun Keys Modification
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD08 Jun 2000 · 04:00 AM
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.microsoft.com/technet/support/kb.asp?ID=264684
http://www.securityfocus.com/bid/1331
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-040
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1021
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