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  2. CVE-2016-7056
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CVE-2016-7056

medium
  • Information
  • CPEs
  • Plugins

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.

References

http://rhn.redhat.com/errata/RHSA-2017-1415.html

http://www.securityfocus.com/bid/95375

http://www.securitytracker.com/id/1037575

https://access.redhat.com/errata/RHSA-2017:1413

https://access.redhat.com/errata/RHSA-2017:1414

https://access.redhat.com/errata/RHSA-2017:1801

https://access.redhat.com/errata/RHSA-2017:1802

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056

https://eprint.iacr.org/2016/1195

https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig

https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig

https://git.openssl.org/?p=openssl.git;a=commit;h=8aed2a7548362e88e84a7feb795a3a97e8395008

https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html

https://seclists.org/oss-sec/2017/q1/52

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

https://www.debian.org/security/2017/dsa-3773

Details

Source: MITRE

Published: 2018-09-10

Updated: 2019-10-09

Type: CWE-320

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

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