Threat Level: green Handler on Duty: Xavier Mertens

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Cisco Security Advisory: SSL Padding Oracle On Downgraded Legacy Encryption (POODLE) Vulnerability

Advisory ID: cisco-sa-20141015-poodle

Revision 1.0

For Public Release 2014 October 15 17:30  UTC (GMT)



On October 14, 2014, a vulnerability was publicly announced in the Secure Sockets Layer version 3 (SSLv3) protocol when using a block cipher in Cipher Block Chaining (CBC) mode. SSLv3 is a cryptographic protocol designed to provide communication security, which has been superseded by Transport Layer Security (TLS) protocols. By exploiting this vulnerability, an attacker could decrypt a subset of the encrypted communication.

This advisory is available at the following link:



60 Posts
ISC Handler
Oct 16th 2014

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