MS02-050: Certificate Validation Flaw Could Enable Identity Spoofing (328145)

High Nessus Plugin ID 11145


It is possible to spoof user identities.


The remote host contains a version of the CryptoAPI that could allow an attacker to spoof the identity of another user with malformed SSL certificates.


Microsoft has released a set of patches for Windows NT, 2000 and XP.

See Also

Plugin Details

Severity: High

ID: 11145

File Name: smb_nt_ms02-050.nasl

Version: $Revision: 1.47 $

Type: local

Agent: windows

Published: 2002/10/24

Modified: 2017/05/26

Dependencies: 13855, 57033

Risk Information

Risk Factor: High


Base Score: 7.6

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:C


Base Score: 8.1

Temporal Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2002/09/04

Vulnerability Publication Date: 2002/08/05

Reference Information

CVE: CVE-2002-0862, CVE-2002-1183

BID: 5410

OSVDB: 865, 1832

MSFT: MS02-050

MSKB: 329115