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Microsoft Windows Minimum Certificate Key Length Spoofing Vulnerability (2661254)

Information

Severity

Severity

Medium

Family

Family

Windows

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

5 years ago

Summary

The host is installed with Microsoft Windows operating system and is prone to digital certificate key length spoofing vulnerability.

Insight

Insight

The private keys used in digital certificate with RSA keys less than 1024 bits in length can be derived and could allow an attacker to duplicate the certificates. An duplicate certificate could be used to spoof content, perform phishing attacks, or perform man-in-the-middle attacks.

Affected Software

Affected Software

Microsoft Windows XP x32 Edition Service Pack 3 and prior Microsoft Windows XP x64 Edition Service Pack 2 and prior Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior Microsoft Windows 2003 x32/x64 Edition Service Pack 2 and prior Microsoft Windows Vista x32/x64 Edition Service Pack 2 and prior Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2 and prior

Solution

Solution

Apply the patch from the referenced advisory.