CVE-2016-7056

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
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.
Overview
  • CVE ID
  • CVE-2016-7056
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-09-10T16:29:00
  • Last Modified Date
  • 2023-02-12T23:25:16
Weakness Enumerations
CWE URL
CWE-385 http://cwe.mitre.org/data/definitions/385.html
CWE-320 http://cwe.mitre.org/data/definitions/320.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* 1 OR 1.0.1u
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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/RHBA-2017:1929
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-2017:1415
https://access.redhat.com/errata/RHSA-2017:1801 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1802 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2016-7056
https://bugzilla.redhat.com/show_bug.cgi?id=1412120
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%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-7056
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7056
History
Created Old Value New Value Data Type Notes
2022-05-10 17:14:02 Added to TrackCVE
2022-12-03 11:58:12 2018-09-10T16:29Z 2018-09-10T16:29:00 CVE Published Date updated
2022-12-03 11:58:12 2019-10-09T23:19:28 CVE Modified Date updated
2022-12-03 11:58:12 Modified Vulnerability Status updated
2023-02-02 22:08:41 2023-02-02T21:17:18 CVE Modified Date updated
2023-02-02 22:08:42 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. Description updated
2023-02-02 22:08:44 References updated
2023-02-13 01:08:30 2023-02-12T23:25:16 CVE Modified Date updated
2023-02-13 01:08:30 Weakness Enumeration update
2023-02-13 01:08:30 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. Description updated