fkie_cve-2011-1923
Vulnerability from fkie_nvd
Published
2012-06-20 17:55
Modified
2025-04-11 00:51
Severity ?
Summary
The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.
Impacted products
Vendor Product Version
polarssl polarssl *
polarssl polarssl 0.10.0
polarssl polarssl 0.10.1
polarssl polarssl 0.11.0
polarssl polarssl 0.11.1
polarssl polarssl 0.12.0
polarssl polarssl 0.12.1
polarssl polarssl 0.13.1



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "59B6C69D-4016-48A8-97C7-2C1F44FFB2F6",
              "versionEndIncluding": "0.14.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "21684D8F-C925-4BBE-A9E5-3799C84BDB13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "7CE3EE93-6274-4996-A843-D2DF3249E06C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "0DBD7490-815C-4E93-AD6C-5BBF1E3D6AD6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "D3C08BCF-F438-4862-B93A-76282A4129D8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.12.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DA654207-3F1A-4737-AA1C-523DBD420D2A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.12.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "09D1B837-15DB-4A37-AF13-9FE6D894C084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:polarssl:polarssl:0.13.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "CEA214D9-E535-4F68-9A23-504121748700",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n de intercambio de claves Diffie-Hellman en dhm.c en PolarSSL antes de v0.14.2, no valida correctamente un par\u00e1metro p\u00fablico, lo que hace que sea m\u00e1s facil a atacantes man-in-the-middle el obtener la clave compartida modificando el tr\u00e1fico de red. Se trata de un problema relacionado con el CVE-2011-5095."
    }
  ],
  "id": "CVE-2011-1923",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 4.9,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-06-20T17:55:01.433",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://polarssl.org/trac/wiki/SecurityAdvisory201101"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.nessus.org/plugins/index.php?view=single\u0026id=53360"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/46670"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://polarssl.org/trac/wiki/SecurityAdvisory201101"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.nessus.org/plugins/index.php?view=single\u0026id=53360"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/46670"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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