msrc_cve-2023-4911
Vulnerability from csaf_microsoft
Published
2023-10-01 00:00
Modified
2024-07-03 00:00
Summary
Glibc: buffer overflow in ld.so leading to privilege escalation
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-2023-4911 Glibc: buffer overflow in ld.so leading to privilege escalation - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-4911.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": "Glibc: buffer overflow in ld.so leading to privilege escalation",
"tracking": {
"current_release_date": "2024-07-03T00:00:00.000Z",
"generator": {
"date": "2025-10-20T00:44:26.401Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2023-4911",
"initial_release_date": "2023-10-01T00:00:00.000Z",
"revision_history": [
{
"date": "2023-10-03T00:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2024-07-03T00:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Information published."
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "2.0",
"product": {
"name": "CBL Mariner 2.0",
"product_id": "17086"
}
},
{
"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": "\u003ccbl2 glibc 2.35-5",
"product": {
"name": "\u003ccbl2 glibc 2.35-5",
"product_id": "3"
}
},
{
"category": "product_version",
"name": "cbl2 glibc 2.35-5",
"product": {
"name": "cbl2 glibc 2.35-5",
"product_id": "18298"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 glibc 2.38-6",
"product": {
"name": "\u003cazl3 glibc 2.38-6",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "azl3 glibc 2.38-6",
"product": {
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"product_id": "18299"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 glibc 2.38-10",
"product": {
"name": "\u003cazl3 glibc 2.38-10",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "azl3 glibc 2.38-10",
"product": {
"name": "azl3 glibc 2.38-10",
"product_id": "19758"
}
}
],
"category": "product_name",
"name": "glibc"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccbl2 glibc 2.35-5 as a component of CBL Mariner 2.0",
"product_id": "17086-3"
},
"product_reference": "3",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "cbl2 glibc 2.35-5 as a component of CBL Mariner 2.0",
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},
"product_reference": "18298",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 glibc 2.38-6 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 glibc 2.38-6 as a component of Azure Linux 3.0",
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},
"product_reference": "18299",
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},
{
"category": "default_component_of",
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},
"product_reference": "1",
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},
{
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"product_id": "19758-17084"
},
"product_reference": "19758",
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}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-4911",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "general",
"text": "redhat",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"18298-17086",
"18299-17084",
"19758-17084"
],
"known_affected": [
"17086-3",
"17084-2",
"17084-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2023-4911 Glibc: buffer overflow in ld.so leading to privilege escalation - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-4911.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2023-10-03T00:00:00.000Z",
"details": "2.35-5:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17086-3"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
},
{
"category": "vendor_fix",
"date": "2023-10-03T00:00:00.000Z",
"details": "2.38-6: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": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 7.8,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"17086-3",
"17084-2",
"17084-1"
]
}
],
"title": "Glibc: buffer overflow in ld.so leading to privilege escalation"
}
]
}
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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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