msrc_cve-2021-22918
Vulnerability from csaf_microsoft
Published
2021-07-02 00:00
Modified
2025-01-30 00:00
Summary
Node.js before 16.4.1 14.17.2 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().
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-2021-22918 Node.js before 16.4.1 14.17.2 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo(). - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-22918.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": "Node.js before 16.4.1 14.17.2 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().",
"tracking": {
"current_release_date": "2025-01-30T00:00:00.000Z",
"generator": {
"date": "2025-10-19T22:05:50.751Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2021-22918",
"initial_release_date": "2021-07-02T00:00:00.000Z",
"revision_history": [
{
"date": "2021-07-16T00:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2025-01-30T00:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Added pytorch to Azure Linux 3.0\nAdded nodejs to CBL-Mariner 1.0"
}
],
"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": "3.0",
"product": {
"name": "Azure Linux 3.0",
"product_id": "17084"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003ccm1 nodejs 14.17.2-1",
"product": {
"name": "\u003ccm1 nodejs 14.17.2-1",
"product_id": "3"
}
},
{
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"name": "cm1 nodejs 14.17.2-1",
"product": {
"name": "cm1 nodejs 14.17.2-1",
"product_id": "16918"
}
}
],
"category": "product_name",
"name": "nodejs"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003cazl3 pytorch 2.2.2-4",
"product": {
"name": "\u003cazl3 pytorch 2.2.2-4",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "azl3 pytorch 2.2.2-4",
"product": {
"name": "azl3 pytorch 2.2.2-4",
"product_id": "19035"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 pytorch 2.2.2-7",
"product": {
"name": "\u003cazl3 pytorch 2.2.2-7",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "azl3 pytorch 2.2.2-7",
"product": {
"name": "azl3 pytorch 2.2.2-7",
"product_id": "19407"
}
}
],
"category": "product_name",
"name": "pytorch"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccm1 nodejs 14.17.2-1 as a component of CBL Mariner 1.0",
"product_id": "16820-3"
},
"product_reference": "3",
"relates_to_product_reference": "16820"
},
{
"category": "default_component_of",
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},
"product_reference": "16918",
"relates_to_product_reference": "16820"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 pytorch 2.2.2-4 as a component of Azure Linux 3.0",
"product_id": "17084-2"
},
"product_reference": "2",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "azl3 pytorch 2.2.2-4 as a component of Azure Linux 3.0",
"product_id": "19035-17084"
},
"product_reference": "19035",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 pytorch 2.2.2-7 as a component of Azure Linux 3.0",
"product_id": "17084-1"
},
"product_reference": "1",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
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"product_id": "19407-17084"
},
"product_reference": "19407",
"relates_to_product_reference": "17084"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2021-22918",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"notes": [
{
"category": "general",
"text": "hackerone",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"16918-16820",
"19035-17084",
"19407-17084"
],
"known_affected": [
"16820-3",
"17084-2",
"17084-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2021-22918 Node.js before 16.4.1 14.17.2 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo(). - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-22918.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2021-07-16T00:00:00.000Z",
"details": "14.17.2-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"16820-3"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
},
{
"category": "vendor_fix",
"date": "2021-07-16T00:00:00.000Z",
"details": "2.2.2-4:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17084-2",
"17084-1"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"temporalScore": 5.3,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"products": [
"16820-3",
"17084-2",
"17084-1"
]
}
],
"title": "Node.js before 16.4.1 14.17.2 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo()."
}
]
}
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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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