Microsoft patch corrects critical vulnerability

Microsoft has released a security package to correct a critical vulnerability in Windows, and UAB IT is urging campus technical professionals and users to apply the patch immediately.

Microsoft released security bulletin MS14-066 “Vulnerability in Schannel Could Allow Remote Code Execution (2992611),” for November’s Patch Tuesday.

MS14-066 is a critical vulnerability in the Microsoft Secure Channel (Schannel) security package that allows specially crafted packets to compromise the machine. This affects all Windows servers and clients. Microsoft indicates that there are no workarounds or mitigations.

Please run the Windows update as soon as possible for all your Windows machines, servers and clients.

What is Schannel?

Secure Channel, also known as Schannel, is a security support provider (SSP) that contains a set of security protocols that provide identity authentication and secure, private communication through encryption. Schannel is primarily used for Internet applications that require secure Hypertext Transfer Protocol (HTTP) communications.


For more information:

https://technet.microsoft.com/library/security/MS14-066

https://isc.sans.edu/diary/Microsoft+November+2014+Patch+Tuesday/18941

https://isc.sans.edu/forums/diary/How+bad+is+the+SCHANNEL+vulnerability+CVE-2014-6321+patched+in+MS14-066+/18947

http://www.zdnet.com/drop-what-youre-doing-and-patch-the-windows-schannel-bugs-now-7000035738/