rhba-2019:1992
Vulnerability from csaf_redhat
Published
2019-07-30 19:33
Modified
2024-11-22 12:46
Summary
Red Hat Bug Fix Advisory: cloud-init bug fix and enhancement update
Notes
Topic
An update for cloud-init is now available for Red Hat Enterprise Linux 8.
Details
The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.
Users of cloud-init are advised to upgrade to these updated packages.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"notes": [
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"category": "summary",
"text": "An update for cloud-init is now available for Red Hat Enterprise Linux 8.",
"title": "Topic"
},
{
"category": "general",
"text": "The cloud-init packages provide a set of init scripts for cloud instances. Cloud instances need special scripts to run during initialization to retrieve and install SSH keys, and to let the user run various scripts.\n\nUsers of cloud-init are advised to upgrade to these updated packages.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"references": [
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"category": "self",
"summary": "https://access.redhat.com/errata/RHBA-2019:1992",
"url": "https://access.redhat.com/errata/RHBA-2019:1992"
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1687563"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1728625"
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{
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"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhba-2019_1992.json"
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],
"title": "Red Hat Bug Fix Advisory: cloud-init bug fix and enhancement update",
"tracking": {
"current_release_date": "2024-11-22T12:46:37+00:00",
"generator": {
"date": "2024-11-22T12:46:37+00:00",
"engine": {
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"version": "4.2.1"
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"id": "RHBA-2019:1992",
"initial_release_date": "2019-07-30T19:33:22+00:00",
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{
"date": "2019-07-30T19:33:22+00:00",
"number": "1",
"summary": "Initial version"
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{
"date": "2019-07-30T19:33:22+00:00",
"number": "2",
"summary": "Last updated version"
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{
"date": "2024-11-22T12:46:37+00:00",
"number": "3",
"summary": "Last generated version"
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],
"status": "final",
"version": "3"
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},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux AppStream (v. 8)",
"product": {
"name": "Red Hat Enterprise Linux AppStream (v. 8)",
"product_id": "AppStream-8.0.1",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:enterprise_linux:8::appstream"
}
}
}
],
"category": "product_family",
"name": "Red Hat Enterprise Linux"
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{
"branches": [
{
"category": "product_version",
"name": "cloud-init-0:18.5-1.el8.4.src",
"product": {
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"product_id": "cloud-init-0:18.5-1.el8.4.src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/cloud-init@18.5-1.el8.4?arch=src"
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],
"category": "architecture",
"name": "src"
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{
"branches": [
{
"category": "product_version",
"name": "cloud-init-0:18.5-1.el8.4.noarch",
"product": {
"name": "cloud-init-0:18.5-1.el8.4.noarch",
"product_id": "cloud-init-0:18.5-1.el8.4.noarch",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/cloud-init@18.5-1.el8.4?arch=noarch"
}
}
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],
"category": "architecture",
"name": "noarch"
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"name": "Red Hat"
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"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "cloud-init-0:18.5-1.el8.4.noarch as a component of Red Hat Enterprise Linux AppStream (v. 8)",
"product_id": "AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.noarch"
},
"product_reference": "cloud-init-0:18.5-1.el8.4.noarch",
"relates_to_product_reference": "AppStream-8.0.1"
},
{
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},
"vulnerabilities": [
{
"cve": "CVE-2019-0816",
"cwe": {
"id": "CWE-285",
"name": "Improper Authorization"
},
"discovery_date": "2019-02-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1680165"
}
],
"notes": [
{
"category": "description",
"text": "A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka \u0027Azure SSH Keypairs Security Feature Bypass Vulnerability\u0027.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "cloud-init: extra ssh keys added to authorized_keys on the Azure platform",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.noarch",
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.src"
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"url": "https://access.redhat.com/security/cve/CVE-2019-0816"
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{
"category": "external",
"summary": "RHBZ#1680165",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1680165"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2019-0816",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-0816"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0816",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0816"
},
{
"category": "external",
"summary": "https://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm",
"url": "https://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm"
}
],
"release_date": "2019-03-05T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2019-07-30T19:33:22+00:00",
"details": "For details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.noarch",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHBA-2019:1992"
},
{
"category": "workaround",
"details": "See steps from https://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm",
"product_ids": [
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.noarch",
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.0"
},
"products": [
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.noarch",
"AppStream-8.0.1:cloud-init-0:18.5-1.el8.4.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "cloud-init: extra ssh keys added to authorized_keys on the Azure platform"
}
]
}
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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.
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