CVE-1999-0994

Current Description

Windows NT with SYSKEY reuses the keystream that is used for encrypting SAM password hashes, allowing an attacker to crack passwords.

Basic Data

PublishedDecember 16, 1999
Last ModifiedOctober 12, 2018
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-255
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSMicrosoftWindows Nt4.0*******
    2.3OSMicrosoftWindows Nt4.0*server*****
    2.3OSMicrosoftWindows Nt4.0*terminal_server*****
    2.3OSMicrosoftWindows Nt4.0sp1enterprise*****

Vulnerable Software List

VendorProductVersions
Microsoft Windows Nt 4.0

References

NameSourceURLTags
Q248183http://support.microsoft.com/default.aspx?scid=kb;[LN];Q248183MSKB
873http://www.securityfocus.com/bid/873BID
MS99-056https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-056MS