FKIE_CVE-2016-6882

Vulnerability from fkie_nvd - Published: 2017-03-03 16:59 - Updated: 2025-04-20 01:37
Severity ?
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/08/19/7Mailing List, Patch
cve@mitre.orghttp://www.securityfocus.com/bid/91488
cve@mitre.orghttps://access.redhat.com/blogs/766093/posts/1976703Third Party Advisory
cve@mitre.orghttps://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creationPatch, Release Notes
cve@mitre.orghttps://people.redhat.com/~fweimer/rsa-crt-leaks.pdfTechnical Description
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/08/19/7Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/91488
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/blogs/766093/posts/1976703Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creationPatch, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://people.redhat.com/~fweimer/rsa-crt-leaks.pdfTechnical Description
Impacted products
Vendor Product Version
matrixssl matrixssl *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5E830D80-ECB2-4764-BEC7-03CC59517109",
              "versionEndIncluding": "3.8.6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack."
    },
    {
      "lang": "es",
      "value": "MatrixSSL en versiones anteriores a 3.8.7, cuando el conjunto de cifrado basado en DHE_RSA es admitido, hace m\u00e1s f\u00e1cil a atacantes remotos obtener informaci\u00f3n de la clave privada RSA llevando un ataque Lenstra de canal lateral."
    }
  ],
  "id": "CVE-2016-6882",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-03-03T16:59:00.277",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/08/19/7"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/91488"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/blogs/766093/posts/1976703"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Technical Description"
      ],
      "url": "https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/08/19/7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/91488"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/blogs/766093/posts/1976703"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes"
      ],
      "url": "https://github.com/matrixssl/matrixssl/blob/master/CHANGES.md#validation-of-rsa-signature-creation"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description"
      ],
      "url": "https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-320"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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