CVE-2016-7056

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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	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%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
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%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

Configurations

Configuration 1 (hide)

cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

History

21 Nov 2024, 02:57

Information

Published : 2018-09-10 16:29

Updated : 2024-11-21 02:57

NVD link : CVE-2016-7056

Mitre link : CVE-2016-7056

CVE.ORG link : CVE-2016-7056

JSON object : View

Products Affected

openssl

openssl

redhat

enterprise_linux

debian

debian_linux

canonical

ubuntu_linux

CWE

CWE-385

Covert Timing Channel

CWE-320

Key Management Errors

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podr\u00eda permitir que un usuario malicioso con acceso local recupere claves privadas ECDSA P-256"}], "lastModified": "2024-11-21T02:57:22.513", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8171E97-CCEE-4CE4-8BEE-472FCE7ABCD8", "versionEndIncluding": "1.0.1u"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"}, {"criteria": 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5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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