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Certificate Validation Flaw Could Enable Identity Spoofing (Q328145)

Information

Severity

Severity

High

Family

Family

Windows : Microsoft Bulletins

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

18 years ago

Modified

Modified

5 years ago

Summary

Hotfix to fix Certificate Validation Flaw (Q329115) is not installed. The vulnerability could enable an attacker who had a valid end-entity certificate to issue a subordinate certificate that, although bogus, would nevertheless pass validation. Because CryptoAPI is used by a wide range of applications, this could enable a variety of identity spoofing attacks.

Affected Software

Affected Software

Microsoft Windows 98 Microsoft Windows 98 Second Edition Microsoft Windows Me Microsoft Windows NT 4.0 Microsoft Windows NT 4.0, Terminal Server Edition Microsoft Windows 2000 Microsoft Windows XP Microsoft Office for Mac Microsoft Internet Explorer for Mac Microsoft Outlook Express for Mac

Solution

Solution

The vendor has released updates, please see the references for more information.

Common Vulnerabilities and Exposures (CVE)