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Vulnerability Details : CVE-2015-6112

SChannel in Microsoft 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 lacks the required extended master-secret binding support to ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "Schannel TLS Triple Handshake Vulnerability."
Publish Date : 2015-11-11 Last Update Date : 2016-12-07
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 20

- Products Affected By CVE-2015-6112

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 7 - SP1 Version Details Vulnerabilities
2 OS Microsoft Windows 8 - ~~~~x86~ Version Details Vulnerabilities
3 OS Microsoft Windows 8 - ~~~~x64~ Version Details Vulnerabilities
4 OS Microsoft Windows 8.1 - - ~-~-~-~x64~ Version Details Vulnerabilities
5 OS Microsoft Windows 8.1 - - ~-~-~-~x86~ Version Details Vulnerabilities
6 OS Microsoft Windows Rt - Gold Version Details Vulnerabilities
7 OS Microsoft Windows Rt 8.1 - Version Details Vulnerabilities
8 OS Microsoft Windows Server 2008 - SP2 Version Details Vulnerabilities
9 OS Microsoft Windows Server 2008 R2 SP1 Version Details Vulnerabilities
10 OS Microsoft Windows Server 2012 - Gold Version Details Vulnerabilities
11 OS Microsoft Windows Server 2012 R2 - ~-~essentials~~~ Version Details Vulnerabilities
12 OS Microsoft Windows Server 2012 R2 - ~-~datacenter~~~ Version Details Vulnerabilities
13 OS Microsoft Windows Server 2012 R2 - ~-~standard~~~ Version Details Vulnerabilities
14 OS Microsoft Windows Vista - SP2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 7 1
Microsoft Windows 8 2
Microsoft Windows 8.1 2
Microsoft Windows Rt 1
Microsoft Windows Rt 8.1 1
Microsoft Windows Server 2008 2
Microsoft Windows Server 2012 4
Microsoft Windows Vista 1

- References For CVE-2015-6112

http://technet.microsoft.com/en-us/security/bulletin/ms15-121
Microsoft Security Bulletin MS15-121 Security Update for Schannel to Address Spoofing This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow spoofing if an attacker performs a man-in-the-middle (MiTM) attack between a client and a legitimate server.
Vulnerabilities addressed in this bulletin:
  • Schannel TLS Triple Handshake Vulnerability
Release Date:2015-11-10
http://www.securitytracker.com/id/1034124
SECTRACK 1034124

- Metasploit Modules Related To CVE-2015-6112

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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