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ghsa-gqvf-892r-vjm5
Vulnerability from github
Published
2021-04-13 15:42
Modified
2023-07-05 19:26
Severity
Summary
Improper Certificate Validation in Puppet
Details
Previously, Puppet operated on the model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node's catalog falls back to the default node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting strict_hostname_checking = true in puppet.conf on your Puppet master. Puppet 6.13.0 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure behavior.
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "puppet"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.13.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "RubyGems",
"name": "puppet"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.5.19"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2020-7942"
],
"database_specific": {
"cwe_ids": [
"CWE-295"
],
"github_reviewed": true,
"github_reviewed_at": "2021-04-07T23:15:22Z",
"nvd_published_at": "2020-02-19T21:15:00Z",
"severity": "MODERATE"
},
"details": "Previously, Puppet operated on the model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node\u0027s catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet 6.13.0 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure behavior.",
"id": "GHSA-gqvf-892r-vjm5",
"modified": "2023-07-05T19:26:32Z",
"published": "2021-04-13T15:42:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7942"
},
{
"type": "WEB",
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2020-7942.yml"
},
{
"type": "WEB",
"url": "https://puppet.com/security/cve/CVE-2020-7942"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Improper Certificate Validation in Puppet"
}
gsd-2020-7942
Vulnerability from gsd
Modified
2021-04-13 00:00
Details
Previously, Puppet operated on a model that a node with a valid certificate
was entitled to all information in the system and that a compromised certificate
allowed access to everything in the infrastructure. When a node's catalog falls
back to the `default` node, the catalog can be retrieved for a different node by
modifying facts for the Puppet run. This issue can be mitigated by setting
`strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet
6.13.0 changes the default behavior for strict_hostname_checking from false to
true. It is recommended that Puppet Open Source and Puppet Enterprise users that
are not upgrading still set `strict_hostname_checking` to `true` to ensure secure
behavior.
Aliases
Aliases
{
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"alias": "CVE-2020-7942",
"description": "Previously, Puppet operated on a model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node\u0027s catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet 6.13.0 and 5.5.19 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure behavior. Affected software versions: Puppet 6.x prior to 6.13.0 Puppet Agent 6.x prior to 6.13.0 Puppet 5.5.x prior to 5.5.19 Puppet Agent 5.5.x prior to 5.5.19 Resolved in: Puppet 6.13.0 Puppet Agent 6.13.0 Puppet 5.5.19 Puppet Agent 5.5.19",
"id": "GSD-2020-7942",
"references": [
"https://www.suse.com/security/cve/CVE-2020-7942.html",
"https://access.redhat.com/errata/RHSA-2020:4366"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "puppet",
"purl": "pkg:gem/puppet"
}
}
],
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"GHSA-gqvf-892r-vjm5"
],
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"id": "GSD-2020-7942",
"modified": "2021-04-13T00:00:00.000Z",
"published": "2021-04-13T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "https://puppet.com/security/cve/CVE-2020-7942/"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": 6.5,
"type": "CVSS_V3"
}
],
"summary": "Improper Certificate Validation in Puppet"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@puppet.com",
"ID": "CVE-2020-7942",
"STATE": "PUBLIC"
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}
]
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"data_version": "4.0",
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"gem": "puppet",
"ghsa": "gqvf-892r-vjm5",
"patched_versions": [
"~\u003e 5.5.19",
"\u003e= 6.13.0"
],
"title": "Improper Certificate Validation in Puppet",
"url": "https://puppet.com/security/cve/CVE-2020-7942/"
},
"gitlab.com": {
"advisories": [
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"affected_versions": "All versions starting from 6.0.0 before 6.13.0",
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"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
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"CWE-937"
],
"date": "2020-04-02",
"description": "Previously, Puppet operated on a model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node\u0027s catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet changes the default behavior for strict_hostname_checking from false to true.",
"fixed_versions": [
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],
"identifier": "CVE-2020-7942",
"identifiers": [
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],
"not_impacted": "All versions before 6.0.0, all versions starting from 6.13.0",
"package_slug": "gem/puppet",
"pubdate": "2020-02-19",
"solution": "Upgrade to version 6.13.0 or above.",
"title": "Improper Certificate Validation",
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"impact": {
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"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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},
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"impactScore": 3.6
}
},
"lastModifiedDate": "2021-12-30T13:33Z",
"publishedDate": "2020-02-19T21:15Z"
}
}
}
cve-2020-7942
Vulnerability from cvelistv5
Published
2020-02-19 20:52
Modified
2024-08-04 09:48
Severity
Summary
Previously, Puppet operated on a model that a node with a valid certificate was entitled to all information in the system and that a compromised certificate allowed access to everything in the infrastructure. When a node's catalog falls back to the `default` node, the catalog can be retrieved for a different node by modifying facts for the Puppet run. This issue can be mitigated by setting `strict_hostname_checking = true` in `puppet.conf` on your Puppet master. Puppet 6.13.0 and 5.5.19 changes the default behavior for strict_hostname_checking from false to true. It is recommended that Puppet Open Source and Puppet Enterprise users that are not upgrading still set strict_hostname_checking to true to ensure secure behavior. Affected software versions: Puppet 6.x prior to 6.13.0 Puppet Agent 6.x prior to 6.13.0 Puppet 5.5.x prior to 5.5.19 Puppet Agent 5.5.x prior to 5.5.19 Resolved in: Puppet 6.13.0 Puppet Agent 6.13.0 Puppet 5.5.19 Puppet Agent 5.5.19
References
| URL | Tags |
|---|---|
| https://puppet.com/security/cve/CVE-2020-7942/ | x_refsource_CONFIRM |
Impacted products
| Vendor | Product |
|---|---|
| Puppet | Puppet |
| Puppet | Puppet Agent |
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