CVE-2016-0703

Name of the Vulnerable Software and Affected Versions OpenSSL versions prior to 0.9.8zf OpenSSL versions prior to 1.0.0r OpenSSL versions prior to 1.0.1m OpenSSL versions prior to 1.0.2a

Description The issue allows man-in-the-middle attackers to determine the MASTER-KEY value and decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle. This is related to an issue where the get client master key function in s2 srvr.c in the SSLv2 implementation accepts a nonzero CLIENT-MASTER-KEY CLEAR-KEY-LENGTH value for an arbitrary cipher.

Recommendations For versions prior to 0.9.8zf, update to version 0.9.8zf or later. For versions prior to 1.0.0r, update to version 1.0.0r or later. For versions prior to 1.0.1m, update to version 1.0.1m or later. For versions prior to 1.0.2a, update to version 1.0.2a or later.