vulnwire
5.5med

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 priv…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 50%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.62% probability of exploitation in the next 30 days, higher than 50% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • The OpenSSL Project openssl

Classification

Weakness
Technology feeds
OpenSSL (RSS, critical only)

References

  • eprint.iacr.org /2016/1195 · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2017:1801 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • git.openssl.org /?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2017:1413 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ftp.openbsd.org /pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037575 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • access.redhat.com /errata/RHSA-2017:1414 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • seclists.org /oss-sec/2017/q1/52 · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2017/dsa-3773 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2016-7056 · x_refsource_CONFIRM, x_transferred
  • people.canonical.com /~ubuntu-security/cve/2016/CVE-2016-7056.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95375 · vdb-entry, x_refsource_BID, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-1415.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ftp.openbsd.org /pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig · x_refsource_CONFIRM, x_transferred
  • security-tracker.debian.org /tracker/CVE-2016-7056 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2017:1802 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.