CVE-2015-6112 Weak cryptography in n/a
Man-in-the-middle attackers can intercept or modify TLS session data due to missing extended master-secret binding in Windows SChannel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-6112?
CVE-2015-6112 is a medium-severity vulnerability in Microsoft Windows 7, published on 11 Nov 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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."
Which versions are affected by CVE-2015-6112?
It affects 8 products.
Products include Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows Rt, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008 and 2 more.
How do I fix CVE-2015-6112?
No fix has been published for CVE-2015-6112 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-6112 being exploited?
There is no known exploitation of CVE-2015-6112 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-3x7v-wjr7-jrcm.