CVE-2016-7056
openssl: ECDSA P-256 timing attack key recovery
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha encontrado un error de ataque de sincronización en OpenSSL, en versiones 1.0.1u y anteriores, que podrÃa permitir que un usuario malicioso con acceso local recupere claves privadas ECDSA P-256
A timing attack flaw was found in OpenSSL that could allow a malicious user with local access to recover ECDSA P-256 private keys.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-08-23 CVE Reserved
- 2017-01-30 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-320: Key Management Errors
- CWE-385: Covert Timing Channel
CAPEC
References (18)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/95375 | Third Party Advisory | |
| https://eprint.iacr.org/2016/1195 | Third Party Advisory | |
| https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=8aed2a7548362e88e84a7feb795a3a97e8395008 | X_refsource_confirm | |
| https://seclists.org/oss-sec/2017/q1/52 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2017-1415.html | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:1413 | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:1414 | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:1801 | 2023-02-12 | |
| https://access.redhat.com/errata/RHSA-2017:1802 | 2023-02-12 | |
| https://www.debian.org/security/2017/dsa-3773 | 2023-02-12 | |
| https://access.redhat.com/security/cve/CVE-2016-7056 | 2017-07-25 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1412120 | 2017-07-25 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Openssl Search vendor "Openssl" | Openssl Search vendor "Openssl" for product "Openssl" | <= 1.0.1u Search vendor "Openssl" for product "Openssl" and version " <= 1.0.1u" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
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