Vulnerability Monitor

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CVE-1999-0995

Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service via malformed arguments to the LsaLookupSids function which looks up the SID, aka "Malformed Security Identifier Request."

Published

1999-12-16T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes
Operating System	microsoft	windows_nt	4.0	Yes

References

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248185 ([email protected])
http://www.securityfocus.com/bid/875 ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-057 ([email protected])
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248185 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/875 (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-057 (af854a3a-2127-422b-91ae-364da2661108)