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MitreCVE-1999-0994

HistoryJan 18, 2000 - 5:00 a.m.

CVE-1999-0994

2000-01-1805:00:00

CWE-255

mitre

web.nvd.nist.gov

windows nt

syskey

sam password hash

keystream

encryption

nvd.

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

AI Score

6.7

Confidence

High

EPSS

0.017

Percentile

87.8%

JSON

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

Affected configurations

Nvd

Node

microsoftwindows_ntMatch4.0

microsoftwindows_ntMatch4.0server

microsoftwindows_ntMatch4.0terminal_server

microsoftwindows_ntMatch4.0sp1enterprise

VendorProductVersionCPE
microsoftwindows_nt4.0cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
microsoftwindows_nt4.0cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
microsoftwindows_nt4.0cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
microsoftwindows_nt4.0cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	windows_nt	4.0	cpe:2.3:o:microsoft:windows_nt:4.0:::::::*
microsoft	windows_nt	4.0	cpe:2.3:o:microsoft:windows_nt:4.0::server:::::
microsoft	windows_nt	4.0	cpe:2.3:o:microsoft:windows_nt:4.0::terminal_server:::::
microsoft	windows_nt	4.0	cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise:::::*

References

support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248183

www.securityfocus.com/bid/873

docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-056

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

AI Score

6.7

Confidence

High

EPSS

0.017

Percentile

87.8%

JSON

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