pysec - pysec-2022-237

pysec-2022-237

Vulnerability from pysec

Published

2022-07-25 23:15

Modified

2022-07-26 03:40

Details

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.

Impacted products

Name	purl
mistune	pkg:pypi/mistune

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "mistune",
        "purl": "pkg:pypi/mistune"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a6d43215132fe4f3d93f8d7e90ba83b16a0838b2"
            }
          ],
          "repo": "https://github.com/lepture/mistune",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "2.0.0a1"
            },
            {
              "fixed": "2.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0",
        "2.0.0a1",
        "2.0.0a2",
        "2.0.0a3",
        "2.0.0a4",
        "2.0.0a5",
        "2.0.0a6",
        "2.0.0rc1",
        "2.0.1",
        "2.0.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2022-34749",
    "GHSA-fw3v-x4f2-v673"
  ],
  "details": "In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.",
  "id": "PYSEC-2022-237",
  "modified": "2022-07-26T03:40:40.758214Z",
  "published": "2022-07-25T23:15:00Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lepture/mistune/releases"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-fw3v-x4f2-v673"
    }
  ]
}

ghsa-fw3v-x4f2-v673

Vulnerability from github

Published

2022-07-26 00:00

Modified

2024-09-25 20:07

Severity ?

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
8.8 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Summary

Mistune vulnerable to catastrophic backtracking

Details

In Mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "mistune"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0a1"
            },
            {
              "fixed": "2.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-34749"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-07-29T22:24:56Z",
    "nvd_published_at": "2022-07-25T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "In Mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.",
  "id": "GHSA-fw3v-x4f2-v673",
  "modified": "2024-09-25T20:07:25Z",
  "published": "2022-07-26T00:00:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-34749"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lepture/mistune/issues/314#issuecomment-1223972386"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lepture/mistune/commit/ca1e7b506850f4e488823fc7338b49a8f9852718"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lepture/mistune"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lepture/mistune/releases"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2022-237.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Mistune vulnerable to catastrophic backtracking"
}

CVE-2022-34749 (GCVE-0-2022-34749)

Vulnerability from cvelistv5

Published

2022-07-25 00:00

Modified

2024-08-03 09:22

Severity ?

CWE

Summary

References

URL

Tags

	https://github.com/lepture/mistune/releases
	https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/	vendor-advisory

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T09:22:10.438Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lepture/mistune/releases"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2"
          },
          {
            "name": "FEDORA-2022-e4f5866111",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-14T00:00:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/lepture/mistune/releases"
        },
        {
          "url": "https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2"
        },
        {
          "name": "FEDORA-2022-e4f5866111",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-34749",
    "datePublished": "2022-07-25T00:00:00",
    "dateReserved": "2022-06-28T00:00:00",
    "dateUpdated": "2024-08-03T09:22:10.438Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

pysec-2022-237

Vulnerability from pysec

ghsa-fw3v-x4f2-v673

Vulnerability from github

CVE-2022-34749 (GCVE-0-2022-34749)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature