CVE-2016-7056

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    CVE-2016-7056

    Published: 10 Sept 2018Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008, http://rhn.redhat.com/errata/RHSA-2017-1415.html, http://www.securityfocus.com/bid/95375, 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://eprint.iacr.org/2016/1195, https://seclists.org/oss-sec/2017/q1/52, https://www.debian.org/security/2017/dsa-3773, http://www.securitytracker.com/id/1037575, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056, 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://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html, https://security-tracker.debian.org/tracker/CVE-2016-7056

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    OpenSSL_1_0_1u

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High