CVE-2016-7056 Information

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Feb 14, 2021 cve

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

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 https://security-tracker.debian.org/tracker/CVE-2016-7056 https://www.debian.org/security/2017/dsa-3773

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5