gsd-2018-12384
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.
Aliases
Aliases
CVE-2018-12384


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-12384",
    "description": "When handling a SSLv2-compatible ClientHello request, the server doesn\u0027t generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.",
    "id": "GSD-2018-12384",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-12384.html",
      "https://access.redhat.com/errata/RHSA-2018:2898",
      "https://access.redhat.com/errata/RHSA-2018:2768",
      "https://ubuntu.com/security/CVE-2018-12384",
      "https://advisories.mageia.org/CVE-2018-12384.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-12384.html",
      "https://linux.oracle.com/cve/CVE-2018-12384.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-12384"
      ],
      "details": "When handling a SSLv2-compatible ClientHello request, the server doesn\u0027t generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.",
      "id": "GSD-2018-12384",
      "modified": "2023-12-13T01:22:30.048359Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2018-12384",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Network Security Services (NSS)",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "All versions prior to NSS 3.39"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "NSS"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "When handling a SSLv2-compatible ClientHello request, the server doesn\u0027t generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Use of Insufficiently Random Values"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384"
          },
          {
            "name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.39",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2018-12384"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "When handling a SSLv2-compatible ClientHello request, the server doesn\u0027t generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-335"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
              "refsource": "MISC",
              "tags": [],
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2020-08-24T17:37Z",
      "publishedDate": "2019-04-29T15:29Z"
    }
  }
}


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