CVE-2016-7056
OpenSSL ECDSA Timing Attack Vulnerability
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.
INFO
Published Date :
Sept. 10, 2018, 4:29 p.m.
Last Modified :
Feb. 12, 2023, 11:25 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2016-7056 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2016-7056
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-7056.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-7056 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-7056 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A timing attack flaw was found in OpenSSL that could allow a malicious user with local access to recover ECDSA P-256 private keys. 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. Removed Reference https://access.redhat.com/errata/RHBA-2017:1929 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2017:1415 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2016-7056 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1412120 [No Types Assigned] Added CWE Red Hat, Inc. CWE-385 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. A timing attack flaw was found in OpenSSL that could allow a malicious user with local access to recover ECDSA P-256 private keys. Removed Reference https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008 [Patch, Third Party Advisory] Added Reference https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2016-7056 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1412120 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1415 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHBA-2017:1929 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-385 Removed CWE Reason CWE-385 / Assessment performed prior to CVMAP efforts -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CWE Red Hat, Inc. CWE-385 -
CPE Deprecation Remap by [email protected]
Apr. 22, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Jan. 17, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig Patch, Third Party Advisory Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2016-7056 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2016-7056 Patch, Third Party Advisory, VDB Entry Changed Reference Type https://www.debian.org/security/2017/dsa-3773 No Types Assigned https://www.debian.org/security/2017/dsa-3773 Third Party Advisory Changed Reference Type https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008 No Types Assigned https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008 Patch, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/95375 No Types Assigned http://www.securityfocus.com/bid/95375 Third Party Advisory, VDB Entry Changed Reference Type http://rhn.redhat.com/errata/RHSA-2017-1415.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2017-1415.html Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1413 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1413 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1414 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1414 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1802 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1802 Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1037575 No Types Assigned http://www.securitytracker.com/id/1037575 Patch, Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1801 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1801 Third Party Advisory Changed Reference Type https://eprint.iacr.org/2016/1195 No Types Assigned https://eprint.iacr.org/2016/1195 Third Party Advisory Changed Reference Type https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html No Types Assigned https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html Patch, Third Party Advisory Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig Patch, Third Party Advisory Changed Reference Type https://seclists.org/oss-sec/2017/q1/52 No Types Assigned https://seclists.org/oss-sec/2017/q1/52 Mailing List, Third Party Advisory Added CWE CWE-320 Added CPE Configuration OR *cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* versions up to (including) 1.0.1u Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Sep. 11, 2018
Action Type Old Value New Value Added Reference https://security-tracker.debian.org/tracker/CVE-2016-7056 [No Types Assigned] Added Reference https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html [No Types Assigned] Added Reference https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig [No Types Assigned] Added Reference https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig [No Types Assigned] -
CVE Modified by [email protected]
Sep. 11, 2018
Action Type Old Value New Value Added Reference https://www.debian.org/security/2017/dsa-3773 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1802 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1801 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1414 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1413 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1037575 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/95375 [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2017-1415.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-7056 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-7056
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.08236
percentile