gsd-2021-21334
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In containerd (an industry-standard container runtime) before versions 1.3.10 and 1.4.4, containers launched through containerd's CRI implementation (through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service) that share the same image may receive incorrect environment variables, including values that are defined for other containers. If the affected containers have different security contexts, this may allow sensitive information to be unintentionally shared. If you are not using containerd's CRI implementation (through one of the mechanisms described above), you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image which have different environment variables, you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image in rapid succession, you have reduced likelihood of being vulnerable to this issue This vulnerability has been fixed in containerd 1.3.10 and containerd 1.4.4. Users should update to these versions.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21334",
"description": "In containerd (an industry-standard container runtime) before versions 1.3.10 and 1.4.4, containers launched through containerd\u0027s CRI implementation (through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service) that share the same image may receive incorrect environment variables, including values that are defined for other containers. If the affected containers have different security contexts, this may allow sensitive information to be unintentionally shared. If you are not using containerd\u0027s CRI implementation (through one of the mechanisms described above), you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image which have different environment variables, you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image in rapid succession, you have reduced likelihood of being vulnerable to this issue This vulnerability has been fixed in containerd 1.3.10 and containerd 1.4.4. Users should update to these versions.",
"id": "GSD-2021-21334",
"references": [
"https://www.suse.com/security/cve/CVE-2021-21334.html",
"https://ubuntu.com/security/CVE-2021-21334",
"https://advisories.mageia.org/CVE-2021-21334.html",
"https://security.archlinux.org/CVE-2021-21334",
"https://alas.aws.amazon.com/cve/html/CVE-2021-21334.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-21334"
],
"details": "In containerd (an industry-standard container runtime) before versions 1.3.10 and 1.4.4, containers launched through containerd\u0027s CRI implementation (through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service) that share the same image may receive incorrect environment variables, including values that are defined for other containers. If the affected containers have different security contexts, this may allow sensitive information to be unintentionally shared. If you are not using containerd\u0027s CRI implementation (through one of the mechanisms described above), you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image which have different environment variables, you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image in rapid succession, you have reduced likelihood of being vulnerable to this issue This vulnerability has been fixed in containerd 1.3.10 and containerd 1.4.4. Users should update to these versions.",
"id": "GSD-2021-21334",
"modified": "2023-12-13T01:23:10.882942Z",
"schema_version": "1.4.0"
}
},
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"version": {
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},
{
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}
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"value": "In containerd (an industry-standard container runtime) before versions 1.3.10 and 1.4.4, containers launched through containerd\u0027s CRI implementation (through Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service) that share the same image may receive incorrect environment variables, including values that are defined for other containers. If the affected containers have different security contexts, this may allow sensitive information to be unintentionally shared. If you are not using containerd\u0027s CRI implementation (through one of the mechanisms described above), you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image which have different environment variables, you are not vulnerable to this issue. If you are not launching multiple containers or Kubernetes pods from the same image in rapid succession, you have reduced likelihood of being vulnerable to this issue This vulnerability has been fixed in containerd 1.3.10 and containerd 1.4.4. Users should update to these versions."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
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{
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"source": {
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"discovery": "UNKNOWN"
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"gitlab.com": {
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"affected_range": "\u003cv1.3.10 || \u003e=v1.4.0 \u003cv1.4.4",
"affected_versions": "All versions before 1.3.10, all versions starting from 1.4.0 before 1.4.4",
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],
"date": "2022-06-03",
"description": "In containerd (an industry-standard container runtime) Users should update to these versions.",
"fixed_versions": [
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],
"identifier": "CVE-2021-21334",
"identifiers": [
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"not_impacted": "All versions starting from 1.3.10 before 1.4.0, all versions starting from 1.4.4",
"package_slug": "go/github.com/containerd/containerd",
"pubdate": "2021-03-10",
"solution": "Upgrade to versions 1.3.10, 1.4.4 or above.",
"title": "Exposure of Resource to Wrong Sphere",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-21334"
],
"uuid": "bb72b5f4-124a-4c0b-9a5c-345b052ce836",
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"nvd.nist.gov": {
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"nodes": [
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 4.0
}
},
"lastModifiedDate": "2022-06-03T12:46Z",
"publishedDate": "2021-03-10T22:15Z"
}
}
}
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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.
- 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.