CVE-2016-7056 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Red Hat, Inc.
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2017-1415.html Third Party Advisory 
http://www.securityfocus.com/bid/95375 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037575 Patch  Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:1413 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1414 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1801 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1802 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056 Issue Tracking  Patch  Third Party Advisory 
https://eprint.iacr.org/2016/1195 Third Party Advisory 
https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig Patch  Third Party Advisory 
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig Patch  Third Party Advisory 
https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008 Patch  Third Party Advisory 
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html Patch  Third Party Advisory 
https://seclists.org/oss-sec/2017/q1/52 Mailing List  Third Party Advisory 
https://security-tracker.debian.org/tracker/CVE-2016-7056 Patch  Third Party Advisory  VDB Entry 
https://www.debian.org/security/2017/dsa-3773 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-320 Key Management Errors cwe source acceptance level NIST  
CWE-385 Covert Timing Channel Reference acceptance level Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7056
NVD Published Date:
09/10/2018
NVD Last Modified:
10/09/2019
Source:
Red Hat, Inc.