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An attack called POODLE [19] (late 2014) combines both a downgrade attack (to SSL 3.0) with a padding oracle attack on the older, insecure protocol to enable compromise of the transmitted data. In May 2016 it has been revealed in CVE-2016-2107 that the fix against Lucky Thirteen in OpenSSL introduced another timing-based padding oracle. [20] [21]
OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites. OpenSSL contains an open-source implementation of the SSL and TLS protocols.
Oracle: Java: Yes: GNU GPL v2 and commercial license: ... OpenSSL: Yes No No No Yes No No No No No No wolfCrypt: Yes Yes Yes Yes Yes No No No No No No Hardware ...
POODLE (which stands for "Padding Oracle On Downgraded Legacy Encryption") is a security vulnerability which takes advantage of the fallback to SSL 3.0. [1] [2] [3] If attackers successfully exploit this vulnerability, on average, they only need to make 256 SSL 3.0 requests to reveal one byte of encrypted messages.
SSL 3.0 (1996) and TLS 1.0 (1999) are successors with two weaknesses in CBC-padding that were explained in 2001 by Serge Vaudenay. [28] TLS 1.1 (2006) fixed only one of the problems, by switching to random initialization vectors (IV) for CBC block ciphers, whereas the more problematic use of mac-pad-encrypt instead of the secure pad-mac-encrypt ...
Oracle Big Data Appliance (includes Oracle Linux 6) [129] ... OpenSSL is a candidate to become the first recipient of the initiative's funding. [195]
Oracle Advanced Security, an extra-cost option for Oracle database environments, extends Oracle Net Services in the field of database computing to provide network security, enterprise-user security, public-key infrastructure security [1] and data encryption to users of Oracle databases.
Stunnel relies on the OpenSSL library to implement the underlying TLS or SSL protocol. Stunnel uses public-key cryptography with X.509 digital certificates to secure the SSL connection, and clients can optionally be authenticated via a certificate. [6] If linked against libwrap, it can be configured to act as a proxy–firewall service as well.