K16139 : OpenSSL vulnerability CVE-2015-0204

Security Advisory Description

The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role. (This CVE-2015-0204 vulnerability is also referred to as FREAK.)

Impact

This vulnerability allows a remote Secure Sockets Layer (SSL) server to present a weak temporary key and downgrade the security of the session.