USN-3692-1

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USN-3692-1

Summary: openssl, openssl1.0 vulnerabilities

Details: Keegan Ryan discovered that OpenSSL incorrectly handled ECDSA key generation. An attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. (CVE-2018-0495) Guido Vranken discovered that OpenSSL incorrectly handled very large prime values during a key agreement. A remote attacker could possibly use this issue to consume resources, leading to a denial of service. (CVE-2018-0732) Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA key generation. An attacker could possibly use this issue to perform a cache-timing attack and recover private RSA keys. (CVE-2018-0737)

References: https://ubuntu.com/security/notices/USN-3692-1, https://ubuntu.com/security/CVE-2018-0495, https://ubuntu.com/security/CVE-2018-0732, https://ubuntu.com/security/CVE-2018-0737