CVE-2016-7056
Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 10 Sept 2018, 16:00
Last modified:06 Aug 2024, 01:50
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.0 (cve.org)
EPSS Score
0.18% LOW
0% probability -0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
10 Sept 2018, 16:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:50
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.18%• Percentile: 39%
Techniques & Countermeasures
- CWE-320•Key Management Errors
Weaknesses in this category are related to errors in the management of cryptographic keys.
- CWE-385•Covert Timing Channel
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.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04
- debian•debian_linux
8.0 | 9.0
- Unknown•OpenSSL
≤ 1.0.1u
- redhat•enterprise_linux
6.0 | 7.0
- the openssl project•openssl
openssl 1.0.1u
References (16)
- https://eprint.iacr.org/2016/1195
- https://access.redhat.com/errata/RHSA-2017:1801
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008
- https://access.redhat.com/errata/RHSA-2017:1413
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig
- http://www.securitytracker.com/id/1037575
- https://access.redhat.com/errata/RHSA-2017:1414
- https://seclists.org/oss-sec/2017/q1/52
- https://www.debian.org/security/2017/dsa-3773
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7056
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7056.html
- http://www.securityfocus.com/bid/95375
- http://rhn.redhat.com/errata/RHSA-2017-1415.html
- https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/033_libcrypto.patch.sig
- https://security-tracker.debian.org/tracker/CVE-2016-7056
- https://access.redhat.com/errata/RHSA-2017:1802