gsd-2011-4354
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2011-4354",
    "description": "crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.",
    "id": "GSD-2011-4354",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-4354.html",
      "https://www.debian.org/security/2012/dsa-2390"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2011-4354"
      ],
      "details": "crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.",
      "id": "GSD-2011-4354",
      "modified": "2023-12-13T01:19:05.657451Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2011-4354",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
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          }
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      },
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          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2011-4354"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
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        "problemtype": {
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                  "value": "CWE-310"
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        },
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          "reference_data": [
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              "name": "http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip",
              "refsource": "MISC",
              "tags": [],
              "url": "http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip"
            },
            {
              "name": "[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://openwall.com/lists/oss-security/2011/12/01/6"
            },
            {
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              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=757909"
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              "tags": [],
              "url": "http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c\u0026v1=1.14\u0026v2=1.21"
            },
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              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://rt.openssl.org/Ticket/Display.html?id=1593\u0026user=guest\u0026pass=guest"
            },
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              "refsource": "MISC",
              "tags": [],
              "url": "http://eprint.iacr.org/2011/633"
            },
            {
              "name": "DSA-2390",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2012/dsa-2390"
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2012-11-06T05:03Z",
      "publishedDate": "2012-01-27T00:55Z"
    }
  }
}


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