FKIE_CVE-2018-1000656

Vulnerability from fkie_nvd - Published: 2018-08-20 19:31 - Updated: 2026-06-17 01:33
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.
References
cve@mitre.orghttps://github.com/pallets/flask/pull/2691Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/pallets/flask/releases/tag/0.12.3Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/08/msg00025.html
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190221-0001/Patch, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4378-1/
af854a3a-2127-422b-91ae-364da2661108https://github.com/pallets/flask/pull/2691Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pallets/flask/releases/tag/0.12.3Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190221-0001/Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4378-1/
Impacted products
Vendor Product Version
palletsprojects flask *
netapp active_iq *
netapp hyper_converged_infrastructure *
netapp ontap_select_deploy_utility *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:palletsprojects:flask:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "673F0EBE-9B78-49D9-B85F-8DBC01B5B47A",
              "versionEndExcluding": "0.12.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netapp:active_iq:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8750B659-22D0-472A-8505-1B0C023764B3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:netapp:hyper_converged_infrastructure:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F26D2581-1244-4C0E-8994-7FAF104C90FF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:netapp:ontap_select_deploy_utility:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "89DDC4B1-1738-4AAC-ABDE-1E91C32890BA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083."
    },
    {
      "lang": "es",
      "value": "Flask de The Pallets Project en versiones anteriores a la 0.12.3 contiene una vulnerabilidad CWE-20: Validaci\u00f3n de entradas incorrecta en flask que puede dar lugar al uso de una gran cantidad de memoria, posiblemente conduciendo a una denegaci\u00f3n de servicio (DoS). Este ataque parece ser explotable si el atacante proporciona datos JSON en la codificaci\u00f3n incorrecta. La vulnerabilidad parece haber sido solucionada en la versi\u00f3n 0.12.3.NOTA: esto puede superponerse a CVE-2019-1010083."
    }
  ],
  "id": "CVE-2018-1000656",
  "lastModified": "2026-06-17T01:33:02.153",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-08-20T19:31:45.340",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/pallets/flask/pull/2691"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
    },
    {
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      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
    },
    {
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      "tags": [
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      "url": "https://security.netapp.com/advisory/ntap-20190221-0001/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/4378-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://security.netapp.com/advisory/ntap-20190221-0001/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/4378-1/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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