CVE-2018-8416 (GCVE-0-2018-8416)

Vulnerability from cvelistv5 – Published: 2018-11-14 01:00 – Updated: 2024-08-05 06:54
VLAI
Summary
A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • Tampering
Assigner
References
URL Tags
https://portal.msrc.microsoft.com/en-US/security-… x_refsource_CONFIRM
http://www.securityfocus.com/bid/105798 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:3676 vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1042128 vdb-entryx_refsource_SECTRACK
Impacted products
Date Public
2018-11-13 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:54:36.382Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416"
          },
          {
            "name": "105798",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/105798"
          },
          {
            "name": "RHSA-2018:3676",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3676"
          },
          {
            "name": "1042128",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1042128"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": ".NET Core",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "2.1"
            }
          ]
        }
      ],
      "datePublic": "2018-11-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \".NET Core Tampering Vulnerability.\" This affects .NET Core 2.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Tampering",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-11-27T10:57:01.000Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416"
        },
        {
          "name": "105798",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/105798"
        },
        {
          "name": "RHSA-2018:3676",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3676"
        },
        {
          "name": "1042128",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1042128"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@microsoft.com",
          "ID": "CVE-2018-8416",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": ".NET Core",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Microsoft"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \".NET Core Tampering Vulnerability.\" This affects .NET Core 2.1."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Tampering"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416",
              "refsource": "CONFIRM",
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416"
            },
            {
              "name": "105798",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/105798"
            },
            {
              "name": "RHSA-2018:3676",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:3676"
            },
            {
              "name": "1042128",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1042128"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2018-8416",
    "datePublished": "2018-11-14T01:00:00.000Z",
    "dateReserved": "2018-03-14T00:00:00.000Z",
    "dateUpdated": "2024-08-05T06:54:36.382Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-8416",
      "date": "2026-07-18",
      "epss": "0.07258",
      "percentile": "0.93649"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"19C3047E-C222-4636-B1B3-722F2C65BC99\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \\\".NET Core Tampering Vulnerability.\\\" This affects .NET Core 2.1.\"}, {\"lang\": \"es\", \"value\": \"Existe una vulnerabilidad de manipulaci\\u00f3n cuando .NET Core analiza de manera incorrecta Los archivos especialmente manipulados. Esta vulnerabilidad tambi\\u00e9n se conoce como \\\".NET Core Tampering Vulnerability\\\". Esto afecta a .NET Core 2.1.\"}]",
      "id": "CVE-2018-8416",
      "lastModified": "2024-11-21T04:13:47.000",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:N/I:P/A:N\", \"baseScore\": 4.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2018-11-14T01:29:00.427",
      "references": "[{\"url\": \"http://www.securityfocus.com/bid/105798\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1042128\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3676\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/105798\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1042128\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3676\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "secure@microsoft.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-8416\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2018-11-14T01:29:00.427\",\"lastModified\":\"2024-11-21T04:13:47.000\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \\\".NET Core Tampering Vulnerability.\\\" This affects .NET Core 2.1.\"},{\"lang\":\"es\",\"value\":\"Existe una vulnerabilidad de manipulaci\u00f3n cuando .NET Core analiza de manera incorrecta Los archivos especialmente manipulados. Esta vulnerabilidad tambi\u00e9n se conoce como \\\".NET Core Tampering Vulnerability\\\". Esto afecta a .NET Core 2.1.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:P/A:N\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"19C3047E-C222-4636-B1B3-722F2C65BC99\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/105798\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1042128\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3676\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/105798\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1042128\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3676\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:23:10+00:00",
      "cve": "CVE-2018-8416",
      "id": "CVE-2018-8416",
      "initial_release_date": "2018-11-13T00:00:00+00:00",
      "product_status:fixed": "21",
      "product_status:known_not_affected": "10",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Core: Arbitrary file and directory creation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-8416.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.