National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-1637 Detail

Current Description

Schannel (aka Secure Channel) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict TLS state transitions, which makes it easier for remote attackers to conduct cipher-downgrade attacks to EXPORT_RSA ciphers via crafted TLS traffic, related to the "FREAK" issue, a different vulnerability than CVE-2015-0204 and CVE-2015-1067.

Source:  MITRE
Description Last Modified:  03/11/2015
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/72965
http://www.securitytracker.com/id/1031833
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-031
https://freakattack.com/ Vendor Advisory
https://technet.microsoft.com/library/security/3046015 Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-1637
NVD Published Date:
03/06/2015
NVD Last Modified:
10/12/2018