pysec - pysec-2018-66

PYSEC-2018-66

Vulnerability from pysec - Published: 2018-08-20 19:31 - Updated: 2021-08-25 04:30

Details

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.

Impacted products

Name	purl
flask	pkg:pypi/flask

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask",
        "purl": "pkg:pypi/flask"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1",
        "0.10",
        "0.10.1",
        "0.11",
        "0.11.1",
        "0.12",
        "0.12.1",
        "0.12.2",
        "0.2",
        "0.3",
        "0.3.1",
        "0.4",
        "0.5",
        "0.5.1",
        "0.5.2",
        "0.6",
        "0.6.1",
        "0.7",
        "0.7.1",
        "0.7.2",
        "0.8",
        "0.8.1",
        "0.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2018-1000656",
    "GHSA-562c-5r94-xh97"
  ],
  "details": "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.",
  "id": "PYSEC-2018-66",
  "modified": "2021-08-25T04:30:09.712538Z",
  "published": "2018-08-20T19:31:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/pull/2691"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20190221-0001/"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4378-1/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-562c-5r94-xh97"
    }
  ]
}

GHSA-562C-5R94-XH97

Vulnerability from github – Published: 2018-08-23 19:10 – Updated: 2024-09-20 20:16

Summary

Flask is vulnerable to Denial of Service via incorrect encoding of JSON data

Details

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Flask"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-1000656"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:00:05Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-562c-5r94-xh97",
  "modified": "2024-09-20T20:16:29Z",
  "published": "2018-08-23T19:10:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000656"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/pull/2691"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/commit/b178e89e4456e777b1a7ac6d7199052d0dfdbbbe"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-562c-5r94-xh97"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pallets/flask"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/flask/PYSEC-2018-66.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20190221-0001"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4378-1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Flask is vulnerable to Denial of Service via incorrect encoding of JSON data"
}

CVE-2018-1000656 (GCVE-0-2018-1000656)

Vulnerability from cvelistv5 – Published: 2018-08-20 19:00 – Updated: 2024-08-05 12:40

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://security.netapp.com/advisory/ntap-2019022…	x_refsource_CONFIRM
	https://github.com/pallets/flask/pull/2691	x_refsource_CONFIRM
	https://github.com/pallets/flask/releases/tag/0.12.3	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
	https://usn.ubuntu.com/4378-1/	vendor-advisoryx_refsource_UBUNTU

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:40:47.801Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20190221-0001/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pallets/flask/pull/2691"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
          },
          {
            "name": "[debian-lts-announce] 20190820 [SECURITY] [DLA 1892-1] flask security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
          },
          {
            "name": "USN-4378-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4378-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "dateAssigned": "2018-08-19T00:00:00",
      "datePublic": "2018-04-10T00:00:00",
      "descriptions": [
        {
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        }
      ],
      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2020-06-09T21:06:29",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20190221-0001/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pallets/flask/pull/2691"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/pallets/flask/releases/tag/0.12.3"
        },
        {
          "name": "[debian-lts-announce] 20190820 [SECURITY] [DLA 1892-1] flask security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
        },
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          "name": "USN-4378-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4378-1/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "DATE_ASSIGNED": "2018-08-19T17:09:33.130462",
          "DATE_REQUESTED": "2018-08-15T16:18:15",
          "ID": "CVE-2018-1000656",
          "REQUESTER": "secure@veritas.com",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
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        },
        "references": {
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            {
              "name": "https://security.netapp.com/advisory/ntap-20190221-0001/",
              "refsource": "CONFIRM",
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              "refsource": "CONFIRM",
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              "refsource": "CONFIRM",
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            },
            {
              "name": "[debian-lts-announce] 20190820 [SECURITY] [DLA 1892-1] flask security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html"
            },
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4378-1/"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2018-08-20T19:00:00",
    "dateReserved": "2018-08-15T00:00:00",
    "dateUpdated": "2024-08-05T12:40:47.801Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

PYSEC-2018-66

GHSA-562C-5R94-XH97

CVE-2018-1000656 (GCVE-0-2018-1000656)

Tags

Sightings

Nomenclature