msrc_cve-2021-3583
Vulnerability from csaf_microsoft
Published
2021-09-02 00:00
Modified
2021-12-16 00:00
Summary
A flaw was found in Ansible where a user's controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity.
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
{
"document": {
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2021-3583 A flaw was found in Ansible where a user\u0027s controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-3583.json"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "A flaw was found in Ansible where a user\u0027s controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity.",
"tracking": {
"current_release_date": "2021-12-16T00:00:00.000Z",
"generator": {
"date": "2025-10-19T22:11:41.980Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2021-3583",
"initial_release_date": "2021-09-02T00:00:00.000Z",
"revision_history": [
{
"date": "2021-10-18T00:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2021-12-16T00:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Added ansible to CBL-Mariner 2.0"
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "1.0",
"product": {
"name": "CBL Mariner 1.0",
"product_id": "16820"
}
},
{
"category": "product_version",
"name": "2.0",
"product": {
"name": "CBL Mariner 2.0",
"product_id": "17086"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003ccm1 ansible 2.9.23-1",
"product": {
"name": "\u003ccm1 ansible 2.9.23-1",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "cm1 ansible 2.9.23-1",
"product": {
"name": "cm1 ansible 2.9.23-1",
"product_id": "18980"
}
},
{
"category": "product_version_range",
"name": "\u003ccbl2 ansible 2.12.1-1",
"product": {
"name": "\u003ccbl2 ansible 2.12.1-1",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "cbl2 ansible 2.12.1-1",
"product": {
"name": "cbl2 ansible 2.12.1-1",
"product_id": "18981"
}
}
],
"category": "product_name",
"name": "ansible"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccm1 ansible 2.9.23-1 as a component of CBL Mariner 1.0",
"product_id": "16820-2"
},
"product_reference": "2",
"relates_to_product_reference": "16820"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "cm1 ansible 2.9.23-1 as a component of CBL Mariner 1.0",
"product_id": "18980-16820"
},
"product_reference": "18980",
"relates_to_product_reference": "16820"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccbl2 ansible 2.12.1-1 as a component of CBL Mariner 2.0",
"product_id": "17086-1"
},
"product_reference": "1",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "cbl2 ansible 2.12.1-1 as a component of CBL Mariner 2.0",
"product_id": "18981-17086"
},
"product_reference": "18981",
"relates_to_product_reference": "17086"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2021-3583",
"cwe": {
"id": "CWE-94",
"name": "Improper Control of Generation of Code (\u0027Code Injection\u0027)"
},
"notes": [
{
"category": "general",
"text": "redhat",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"18980-16820",
"18981-17086"
],
"known_affected": [
"16820-2",
"17086-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2021-3583 A flaw was found in Ansible where a user\u0027s controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-3583.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2021-10-18T00:00:00.000Z",
"details": "2.9.23-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"16820-2"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
},
{
"category": "vendor_fix",
"date": "2021-10-18T00:00:00.000Z",
"details": "2.12.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17086-1"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 7.1,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
"16820-2",
"17086-1"
]
}
],
"title": "A flaw was found in Ansible where a user\u0027s controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity."
}
]
}
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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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