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FKIE_CVE-2016-7440

Vulnerability from fkie_nvd - Published: 2016-12-13 16:59 - Updated: 2026-06-17 00:53
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences.
References
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3706Third Party Advisory
cve@mitre.orghttp://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlPatch, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/93659Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1037050Broken Link, Third Party Advisory, VDB Entry
cve@mitre.orghttps://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/Third Party Advisory
cve@mitre.orghttps://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3706Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/93659Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037050Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.htmlVendor Advisory
Impacted products
Vendor Product Version
mariadb mariadb *
mariadb mariadb *
mariadb mariadb *
oracle mysql *
oracle mysql *
oracle mysql *
wolfssl wolfssl *
debian debian_linux 8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n de software C de AES Encryption and Decryption en wolfSSL (anterioremtne CyaSSL) en versiones anteriores a 3.9.10 hace m\u00e1s f\u00e1cil para usuarios locales descubrir las claves AES aprovechando las diferencias de tiempo de banco del cach\u00e8."
    }
  ],
  "id": "CVE-2016-7440",
  "lastModified": "2026-06-17T00:53:04.467",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
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          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
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  "published": "2016-12-13T16:59:10.190",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
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      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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