CVEvulnerability

CVE-2002-0862

6.8 MEDIUM Published 2002-10-04 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2002-10-04
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-295

Description

The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.

Affected configurations

• microsoft windows 2000 • microsoft windows 98 • microsoft windows 98se • microsoft windows me • microsoft windows nt 4.0 • microsoft windows xp • microsoft internet explorer • microsoft office • microsoft outlook express

Related

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

Referenced by CWE · observed example (3)

  • CWE-295 Improper Certificate Validation weakness
  • CWE-296 Improper Following of a Certificate's Chain of Trust weakness
  • CWE-358 Improperly Implemented Security Check for Standard weakness

References