National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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.

Source:  MITRE
Description Last Modified:  09/10/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


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 v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7056
NVD Published Date:
09/10/2018
NVD Last Modified:
01/17/2019