Red Hat Security Advisory 2015-1664-01 - Network Security Services is a set of libraries designed to support cross-platform development of security-enabled client and server applications. It was found that NSS permitted skipping of the ServerKeyExchange packet during a handshake involving ECDHE. A remote attacker could use this flaw to bypass the forward-secrecy of a TLS/SSL connection. A flaw was found in the way NSS verified certain ECDSA signatures. Under certain conditions, an attacker could use this flaw to conduct signature forgery attacks. Continue reading...