CVE-2016-7056

Severity

21%

Complexity

39%

Confidentiality

48%

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 1.0.1u and before that could allow a malicious user with local access to recover ECDSA P-256 private keys.

CVSS 3.0 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 6 years ago

2018-09-10 16:29:00

Last updated 5 years ago

2019-10-09 23:19:00

Affected Software

OpenSSL Project OpenSSL

Debian Linux 8.0 (Jessie)

8.0

Debian Linux 9.0

9.0

Red Hat Enterprise Linux 6.0

6.0

Red Hat Enterprise Linux (RHEL) 7.0 (7)

7.0

Canonical Ubuntu Linux 12.04 ESM (Extended Security Maintenance)

12.04

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

References

RHSA-2017:1415

Third Party Advisory

95375

Third Party Advisory, VDB Entry

1037575

Patch, Third Party Advisory, VDB Entry

RHSA-2017:1413

Third Party Advisory

RHSA-2017:1414

Third Party Advisory

RHSA-2017:1801

Third Party Advisory

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

[oss-security] 20170110 CVE-2016-7056 ECDSA P-256 timing attack key recovery (OpenSSL, LibreSSL, BoringSSL)

Mailing List, Third Party Advisory

https://security-tracker.debian.org/tracker/CVE-2016-7056

Patch, Third Party Advisory, VDB Entry

DSA-3773

Third Party Advisory

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