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CVE-2016-7056

Good to know:

Date: September 10, 2018

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.

Language: C

Severity Score

5.5

Related Resources (20)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7056

Url: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056

Url: https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig

Url: https://access.redhat.com/security/cve/CVE-2016-7056

Url: https://security-tracker.debian.org/tracker/CVE-2016-7056

Url: https://www.debian.org/security/2017/dsa-3773

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7056

Url: http://www.securityfocus.com/bid/95375

Url: http://rhn.redhat.com/errata/RHSA-2017-1415.html

Url: https://access.redhat.com/errata/RHSA-2017:1413

Url: https://access.redhat.com/errata/RHSA-2017:1414

Url: https://access.redhat.com/errata/RHSA-2017:1802

Url: https://eprint.iacr.org/2016/1195

Url: https://access.redhat.com/errata/RHSA-2017:1801

Url: http://www.securitytracker.com/id/1037575

Url: https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html

Url: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008

Url: https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig

Url: https://seclists.org/oss-sec/2017/q1/52

Url: https://www.mend.io/vulnerability-database/CVE-2016-7056

Severity Score

5.5

Weakness Type (CWE)

Key Management Errors

CWE-320

Covert Timing Channel

CWE-385

Top Fix

Upgrade Version

Upgrade to version OpenSSL_1_0_2-beta3

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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