RHSA-2018:3221: Moderate: openssl security, bug fix, and enhancement update

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.<br>Security Fix(es):<br><li> openssl: ROHNP - Key Extraction Side Channel in Multiple Crypto Libraries (CVE-2018-0495)</li> <li> openssl: Malicious server can send large prime to client during DH(E) TLS handshake causing the client to hang (CVE-2018-0732)</li> <li> openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service (CVE-2018-0739)</li> <li> openssl: Malformed X.509 IPAdressFamily could cause OOB read (CVE-2017-3735)</li> <li> openssl: RSA key generation cache timing vulnerability in crypto/rsa/rsagen.c allows attackers to recover private keys (CVE-2018-0737)</li> For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.