cve-2023-37463
Vulnerability from cvelistv5
Published
2023-07-13 19:22
Modified
2024-10-30 18:48
Severity ?
6.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Summary
cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.
References
security-advisories@github.comhttps://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12Release Notes
security-advisories@github.comhttps://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5Exploit
af854a3a-2127-422b-91ae-364da2661108https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5Exploit
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:16:30.468Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5"
          },
          {
            "name": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-37463",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-30T18:48:24.298406Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-30T18:48:32.341Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "cmark-gfm",
          "vendor": "github",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.29.0.gfm.12"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.\n"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-13T19:22:16.654Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5"
        },
        {
          "name": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12"
        }
      ],
      "source": {
        "advisory": "GHSA-w4qg-3vf7-m9x5",
        "discovery": "UNKNOWN"
      },
      "title": "Quadratic complexity bugs may lead to a denial of service"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-37463",
    "datePublished": "2023-07-13T19:22:16.654Z",
    "dateReserved": "2023-07-06T13:01:36.997Z",
    "dateUpdated": "2024-10-30T18:48:32.341Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-37463\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-07-13T20:15:09.327\",\"lastModified\":\"2024-11-21T08:11:45.590\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.\\n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":4.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"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:github:cmark-gfm:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.29.0.gfm.12\",\"matchCriteriaId\":\"78444374-3BCE-483F-94BC-AECCBE065DA5\"}]}]}],\"references\":[{\"url\":\"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\"]},{\"url\":\"https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • 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.