gsd-2021-25742
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-25742",
"description": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.",
"id": "GSD-2021-25742",
"references": [
"https://www.suse.com/security/cve/CVE-2021-25742.html",
"https://security.archlinux.org/CVE-2021-25742"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-25742"
],
"details": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.",
"id": "GSD-2021-25742",
"modified": "2023-12-13T01:23:21.020849Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@kubernetes.io",
"DATE_PUBLIC": "2021-10-21T16:15:00.000Z",
"ID": "CVE-2021-25742",
"STATE": "PUBLIC",
"TITLE": "Ingress-nginx custom snippets allows retrieval of ingress-nginx serviceaccount token and secrets across all namespaces"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Kubernetes ingress-nginx",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_value": "0.49.0"
},
{
"version_affected": "\u003e?",
"version_value": "0.49.0"
},
{
"version_affected": "\u003c=",
"version_value": "1.0.0"
},
{
"version_affected": "\u003e?",
"version_value": "1.0.0"
}
]
}
}
]
},
"vendor_name": "Kubernetes"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Mitch Hulscher"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
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"lang": "eng",
"value": "CWE-20: Improper Input Validation"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY",
"refsource": "MISC",
"url": "https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY"
},
{
"name": "https://github.com/kubernetes/ingress-nginx/issues/7837",
"refsource": "MISC",
"url": "https://github.com/kubernetes/ingress-nginx/issues/7837"
},
{
"name": "https://security.netapp.com/advisory/ntap-20211203-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20211203-0001/"
}
]
},
"source": {
"defect": [
"https://github.com/kubernetes/ingress-nginx/issues/7837"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "This can be mitigated by disallowing snippet annotations on a supported version. Refer to https://github.com/kubernetes/ingress-nginx/issues/7837 for instructions."
}
]
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003cv0.49.1 || =v1.0.0",
"affected_versions": "All versions before 0.49.1, version 1.0.0",
"cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-12-15",
"description": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.",
"fixed_versions": [
"v0.49.1",
"v1.0.1"
],
"identifier": "CVE-2021-25742",
"identifiers": [
"CVE-2021-25742"
],
"not_impacted": "All versions starting from 0.49.1 before 1.0.0, all versions starting from 1.0.1",
"package_slug": "go/github.com/kubernetes/ingress-nginx",
"pubdate": "2021-10-29",
"solution": "Upgrade to version 0.49.1, 1.0.1 or above.",
"title": "Improper Input Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-25742",
"https://groups.google.com/g/kubernetes-security-announce/c/mT4JJxi9tQY",
"https://github.com/kubernetes/ingress-nginx/issues/7837"
],
"uuid": "9d703ab9-25b2-4054-9930-ae859cd75df5",
"versions": [
{
"commit": {
"sha": "73943ad6f187e09f2ce2855c80a854f54fceaa03",
"tags": [
"controller-v1.0.0-alpha.2"
],
"timestamp": "20210709214034"
},
"number": "v1.0.0"
}
]
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "0.49.1",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:kubernetes:ingress-nginx:1.0.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
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"ASSIGNER": "security@kubernetes.io",
"ID": "CVE-2021-25742"
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"description": {
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}
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"problemtype": {
"problemtype_data": [
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"value": "NVD-CWE-noinfo"
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},
"references": {
"reference_data": [
{
"name": "N/A",
"refsource": "MLIST",
"tags": [
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],
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}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 4.2
}
},
"lastModifiedDate": "2021-12-15T14:06Z",
"publishedDate": "2021-10-29T04:15Z"
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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