MS KB3109853: Update to Improve TLS Session Resumption Interoperability

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.

Synopsis :

The remote Windows host is missing an update to the TLS implementation
in SChannel.

Description :

The remote Windows host is missing an update to the Transport Layer
Security (TLS) protocol implementation in SChannel. The update
improves the interoperability between Schannel-based TLS clients and
3rd-party TLS servers that enable RFC5077-based resumption and that
send the NewSessionTicket message in the abbreviated TLS handshake.
This update also addresses an issue in schannel.dll that could cause
an RFC5077 session ticket-based resumption to fail, subsequently
causing WinInet-based clients to perform a fallback to a lower TLS
protocol version than what would have been otherwise negotiated.

See also :

Solution :

Microsoft has released a set of patches for Windows 8, RT, 2012, 8.1,
RT 8.1, 2012 R2, and 10.

Risk factor :


Family: Windows

Nessus Plugin ID: 87876 ()

Bugtraq ID:


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