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      Last Modified:  03/11/2015      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2015-1637
Original release date:
03/06/2015
Last revised:
01/02/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
http://technet.microsoft.com/security/bulletin/MS15-031 Vendor Advisory External Source MS MS15-031
http://www.securityfocus.com/bid/72965 External Source BID 72965
http://www.securitytracker.com/id/1031833 External Source SECTRACK 1031833
https://freakattack.com/ Vendor Advisory External Source MISC https://freakattack.com/
https://technet.microsoft.com/library/security/3046015 Vendor Advisory External Source CONFIRM https://technet.microsoft.com/library/security/3046015

Technical Details

Vulnerability Type (View All)

Change History 8 change records found - show changes