cvelist/2022/39xxx/CVE-2022-39209.json
2022-11-14 15:00:34 +00:00

108 lines
4.3 KiB
JSON

{
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2022-39209",
"STATE": "PUBLIC",
"TITLE": "Uncontrolled Resource Consumption in cmark-gfm"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "cmark-gfm",
"version": {
"version_data": [
{
"version_value": "< 0.29.0.gfm.6"
}
]
}
}
]
},
"vendor_name": "github"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"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:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-400: Uncontrolled Resource Consumption"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/github/cmark-gfm/security/advisories/GHSA-cgh3-p57x-9q7q",
"refsource": "CONFIRM",
"url": "https://github.com/github/cmark-gfm/security/advisories/GHSA-cgh3-p57x-9q7q"
},
{
"name": "https://github.com/github/cmark-gfm/commit/9d57d8a23142b316282bdfc954cb0ecda40a8655",
"refsource": "MISC",
"url": "https://github.com/github/cmark-gfm/commit/9d57d8a23142b316282bdfc954cb0ecda40a8655"
},
{
"name": "https://en.wikipedia.org/wiki/Time_complexity",
"refsource": "MISC",
"url": "https://en.wikipedia.org/wiki/Time_complexity"
},
{
"refsource": "FEDORA",
"name": "FEDORA-2022-6bcee2cc93",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMGP65NANDVKPDMXMKYO2ZV2H2HZJY4P/"
},
{
"refsource": "FEDORA",
"name": "FEDORA-2022-f1aed93db8",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIUCZN3PEKUCT2JQYQTYOVIJG2KSD6G7/"
},
{
"refsource": "FEDORA",
"name": "FEDORA-2022-dc6d6d9d6c",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UEAAAI4OULDYQ2TA3HOXH54PC3DCBFZS/"
}
]
},
"source": {
"advisory": "GHSA-cgh3-p57x-9q7q",
"discovery": "UNKNOWN"
}
}