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.
Published 2018-09-10 16:29:01
Updated 2023-02-12 23:25:17
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2016-7056

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7056

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST
5.5
MEDIUM CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
NIST
5.5
MEDIUM CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
Red Hat, Inc.

CWE ids for CVE-2016-7056

  • Assigned by: nvd@nist.gov (Secondary)
  • Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information.
    Assigned by: secalert@redhat.com (Primary)

References for CVE-2016-7056

Products affected by CVE-2016-7056

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