OpenSSL AES-NI Padding Oracle MitM Information Disclosure

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

Synopsis :

It was possible to obtain sensitive information from the remote host
with TLS-enabled services.

Description :

The remote host is affected by a man-in-the-middle (MitM) information
disclosure vulnerability due to an error in the implementation of
ciphersuites that use AES in CBC mode with HMAC-SHA1 or HMAC-SHA256.
The implementation is specially written to use the AES acceleration
available in x86/amd64 processors (AES-NI). The error messages
returned by the server allow allow a man-in-the-middle attacker to
conduct a padding oracle attack, resulting in the ability to decrypt
network traffic.

See also :

Solution :

Upgrade to OpenSSL version 1.0.1t / 1.0.2h or later.

Risk factor :

Low / CVSS Base Score : 2.6

Family: General

Nessus Plugin ID: 91572 ()

Bugtraq ID: 89760

CVE ID: CVE-2016-2107

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