| OpenSSL before 0.9.8q, and 1.0.x before 1.0.0c, when
SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not properly
prevent modification of the ciphersuite in the session cache, which
allows remote attackers to force the downgrade to an unintended cipher
via vectors involving sniffing network traffic to discover a session
identifier.
|