fkie_cve-2021-3917
Vulnerability from fkie_nvd
Published
2022-08-23 20:15
Modified
2024-11-21 06:22
Severity ?
Summary
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://access.redhat.com/security/cve/CVE-2021-3917 | Patch, Vendor Advisory | |
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2018478 | Issue Tracking, Vendor Advisory | |
| secalert@redhat.com | https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c | Patch, Third Party Advisory | |
| secalert@redhat.com | https://github.com/coreos/fedora-coreos-tracker/issues/889 | Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/CVE-2021-3917 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2018478 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/coreos/fedora-coreos-tracker/issues/889 | Issue Tracking, Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | coreos-installer | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:coreos-installer:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A5FB7948-D4C7-4806-A707-B1F4FC340F97",
"versionEndExcluding": "0.10.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo en coreos-installer, que escribe la configuraci\u00f3n de Ignition en el sistema de destino con permisos de acceso de lectura general. Este fallo permite a un atacante local tener acceso de lectura a datos potencialmente confidenciales. La mayor amenaza de esta vulnerabilidad es la confidencialidad."
}
],
"id": "CVE-2021-3917",
"lastModified": "2024-11-21T06:22:46.257",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-08-23T20:15:08.360",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3917"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2018478"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/coreos/fedora-coreos-tracker/issues/889"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2021-3917"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2018478"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/coreos/fedora-coreos-tracker/issues/889"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-276"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-276"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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.