2024-07-14 02:06:08 +00:00

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{
"id": "CVE-2021-25748",
"sourceIdentifier": "jordan@liggitt.net",
"published": "2023-05-24T17:15:09.253",
"lastModified": "2023-06-01T20:44:14.080",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a newline character to bypass the sanitization of the `spec.rules[].http.paths[].path` field of an Ingress object (in the `networking.k8s.io` or `extensions` API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
},
{
"source": "jordan@liggitt.net",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"availabilityImpact": "LOW",
"baseScore": 7.6,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 4.7
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
},
{
"source": "jordan@liggitt.net",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.2.1",
"matchCriteriaId": "E43BDC85-F198-4126-B487-21F6C3667561"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/kubernetes/ingress-nginx/issues/8686",
"source": "jordan@liggitt.net",
"tags": [
"Issue Tracking",
"Mitigation",
"Vendor Advisory"
]
},
{
"url": "https://groups.google.com/g/kubernetes-security-announce/c/avaRYa9c7I8",
"source": "jordan@liggitt.net",
"tags": [
"Mailing List",
"Mitigation",
"Vendor Advisory"
]
}
]
}