LOW
A timing attack flaw was found in OpenSSL 1.0.1u and before that could allow a malicious user with local access to recover ECDSA P-256 private keys.
http://rhn.redhat.com/errata/RHSA-2017-1415.html
http://www.securityfocus.com/bid/95375
http://www.securitytracker.com/id/1037575
https://access.redhat.com/errata/RHSA-2017:1413
https://access.redhat.com/errata/RHSA-2017:1414
https://access.redhat.com/errata/RHSA-2017:1801
https://access.redhat.com/errata/RHSA-2017:1802
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056
https://eprint.iacr.org/2016/1195
https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig
https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html
https://seclists.org/oss-sec/2017/q1/52
Source: MITRE
Published: 2018-09-10
Updated: 2019-04-22
Type: CWE-320
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM