FKIE_CVE-2020-8231

Vulnerability from fkie_nvd - Published: 2020-12-14 20:15 - Updated: 2026-06-17 03:26
Summary
Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.
References
support@hackerone.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
support@hackerone.comhttps://curl.haxx.se/docs/CVE-2020-8231.htmlPatch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/948876Exploit, Issue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3EMailing List, Third Party Advisory
support@hackerone.comhttps://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3EMailing List, Third Party Advisory
support@hackerone.comhttps://security.gentoo.org/glsa/202012-14Third Party Advisory
support@hackerone.comhttps://www.debian.org/security/2021/dsa-4881Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://curl.haxx.se/docs/CVE-2020-8231.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/948876Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3EMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3EMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202012-14Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4881Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "https://github.com/curl/curl",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "libcurl 7.29.0 to and including 7.71.1"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E8E4BB46-E10C-4037-AD80-0B5FB694F1F1",
              "versionEndIncluding": "7.71.1",
              "versionStartIncluding": "7.29.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B0F46497-4AB0-49A7-9453-CC26837BF253",
              "versionEndExcluding": "1.0.1.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "4479F76A-4B67-41CC-98C7-C76B81050F8E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5722E753-75DE-4944-A11B-556CB299B57D",
              "versionEndExcluding": "8.2.12",
              "versionStartIncluding": "8.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC0F9351-81A4-4FEA-B6B5-6E960A933D32",
              "versionEndExcluding": "9.0.6",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "EED24E67-2957-4C1B-8FEA-E2D2FE7B97FC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data."
    },
    {
      "lang": "es",
      "value": "Debido al uso de un puntero colgante, libcurl versiones 7.29.0 hasta 7.71.1, puede usar la conexi\u00f3n err\u00f3nea cuando env\u00eda datos"
    }
  ],
  "id": "CVE-2020-8231",
  "lastModified": "2026-06-17T03:26:05.900",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-12-14T20:15:13.590",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://curl.haxx.se/docs/CVE-2020-8231.html"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/948876"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202012-14"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4881"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://curl.haxx.se/docs/CVE-2020-8231.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/948876"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202012-14"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4881"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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