{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-39209", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2024-08-03T12:00:42.513Z", "dateReserved": "2022-09-02T00:00:00", "datePublished": "2022-09-15T00:00:00"}, "containers": {"cna": {"title": "Uncontrolled Resource Consumption in cmark-gfm", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2022-11-14T00:00:00"}, "descriptions": [{"lang": "en", "value": "cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the patch by running `python3 -c 'print(\"![l\"* 100000 + \"\\n\")' | ./cmark-gfm -e autolink`, which will resource exhaust on unpatched cmark-gfm but render correctly on patched cmark-gfm. This vulnerability has been patched in 0.29.0.gfm.6. Users are advised to upgrade. Users unable to upgrade should disable the use of the autolink extension."}], "affected": [{"vendor": "github", "product": "cmark-gfm", "versions": [{"version": "< 0.29.0.gfm.6", "status": "affected"}]}], "references": [{"url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-cgh3-p57x-9q7q"}, {"url": "https://github.com/github/cmark-gfm/commit/9d57d8a23142b316282bdfc954cb0ecda40a8655"}, {"url": "https://en.wikipedia.org/wiki/Time_complexity"}, {"name": "FEDORA-2022-6bcee2cc93", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMGP65NANDVKPDMXMKYO2ZV2H2HZJY4P/"}, {"name": "FEDORA-2022-f1aed93db8", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIUCZN3PEKUCT2JQYQTYOVIJG2KSD6G7/"}, {"name": "FEDORA-2022-dc6d6d9d6c", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEAAAI4OULDYQ2TA3HOXH54PC3DCBFZS/"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "cweId": "CWE-400"}]}], "source": {"advisory": "GHSA-cgh3-p57x-9q7q", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T12:00:42.513Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-cgh3-p57x-9q7q", "tags": ["x_transferred"]}, {"url": "https://github.com/github/cmark-gfm/commit/9d57d8a23142b316282bdfc954cb0ecda40a8655", "tags": ["x_transferred"]}, {"url": "https://en.wikipedia.org/wiki/Time_complexity", "tags": ["x_transferred"]}, {"name": "FEDORA-2022-6bcee2cc93", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMGP65NANDVKPDMXMKYO2ZV2H2HZJY4P/"}, {"name": "FEDORA-2022-f1aed93db8", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIUCZN3PEKUCT2JQYQTYOVIJG2KSD6G7/"}, {"name": "FEDORA-2022-dc6d6d9d6c", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEAAAI4OULDYQ2TA3HOXH54PC3DCBFZS/"}]}]}}

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In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the patch by running `python3 -c 'print(\"![l\"* 100000 + \"\\n\")' | ./cmark-gfm -e autolink`, which will resource exhaust on unpatched cmark-gfm but render correctly on patched cmark-gfm. This vulnerability has been patched in 0.29.0.gfm.6. Users are advised to upgrade. Users unable to upgrade should disable the use of the autolink extension."}, {"lang": "es", "value": "cmark-gfm es la bifurcaci\u00f3n de GitHub de cmark, una biblioteca de an\u00e1lisis y renderizaci\u00f3n de CommonMark y un programa en C. En versiones anteriores a 0.29.0.gfm.6, un problema de complejidad de tiempo polin\u00f3mico en la extensi\u00f3n de autolink de cmark-gfm puede conllevar a un agotamiento de recursos sin l\u00edmites y la consiguiente denegaci\u00f3n de servicio. Los usuarios pueden verificar el parche al ejecutar \"python3 -c \"print(\"![l \"* 100000 + \"\\n\")' | ./cmark-gfm -e autolink\", que agotar\u00e1 los recursos en cmark-gfm sin parchear, pero ser\u00e1 mostrado correctamente en cmark-gfm parcheado. Esta vulnerabilidad ha sido parcheada en versi\u00f3n 0.29.0.gfm.6. Es recomendado a usuarios actualizar. 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{"bugzilla": {"description": "cmark-gfm: Unbounded resource exhaustion may lead to denial of service", "id": "2128044", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2128044"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity issue in cmark-gfm's autolink extension may lead to unbounded resource exhaustion and subsequent denial of service. Users may verify the patch by running `python3 -c 'print(\"![l\"* 100000 + \"\\n\")' | ./cmark-gfm -e autolink`, which will resource exhaust on unpatched cmark-gfm but render correctly on patched cmark-gfm. This vulnerability has been patched in 0.29.0.gfm.6. Users are advised to upgrade. Users unable to upgrade should disable the use of the autolink extension."], "name": "CVE-2022-39209", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Not affected", "package_name": "commonmarker", "product_name": "Red Hat 3scale API Management Platform 2"}], "public_date": "2022-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-39209\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-39209"], "threat_severity": "Moderate"}