cve-2023-24824
Vulnerability from cvelistv5
Published
2023-03-31 22:01
Modified
2024-08-02 11:03
Severity ?
EPSS score ?
Summary
Quadratic complexity may lead to a denial of service in cmark-gfm
References
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A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `\u003e` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-407", "description": "CWE-407: Inefficient Algorithmic Complexity", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-03-31T22:01:18.220Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh" }, { "name": "https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59" } ], "source": { "advisory": "GHSA-66g8-4hjf-77xh", "discovery": "UNKNOWN" }, "title": "Quadratic complexity may lead to a denial of service in cmark-gfm" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-24824", "datePublished": "2023-03-31T22:01:18.220Z", "dateReserved": "2023-01-30T14:43:33.705Z", "dateUpdated": "2024-08-02T11:03:19.254Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-24824\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-03-31T23:15:07.153\",\"lastModified\":\"2023-04-11T06:25:18.527\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"cmark-gfm is GitHub\u0027s fork of cmark, a CommonMark parsing and rendering library and program in C. 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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.