msrc_cve-2023-38712
Vulnerability from csaf_microsoft
Published
2023-08-01 00:00
Modified
2024-06-30 07:00
Summary
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA such as a duplicated Delete/Notify message a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
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-2023-38712 An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA such as a duplicated Delete/Notify message a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-38712.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": "An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA such as a duplicated Delete/Notify message a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.",
"tracking": {
"current_release_date": "2024-06-30T07:00:00.000Z",
"generator": {
"date": "2025-10-20T00:37:53.043Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2023-38712",
"initial_release_date": "2023-08-01T00:00:00.000Z",
"revision_history": [
{
"date": "2023-08-26T00:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2024-06-30T07:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Information published."
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "3.0",
"product": {
"name": "Azure Linux 3.0",
"product_id": "17084"
}
},
{
"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": "\u003cazl3 libreswan 4.7-7",
"product": {
"name": "\u003cazl3 libreswan 4.7-7",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "azl3 libreswan 4.7-7",
"product": {
"name": "azl3 libreswan 4.7-7",
"product_id": "19899"
}
},
{
"category": "product_version_range",
"name": "\u003ccbl2 libreswan 4.7-5",
"product": {
"name": "\u003ccbl2 libreswan 4.7-5",
"product_id": "3"
}
},
{
"category": "product_version",
"name": "cbl2 libreswan 4.7-5",
"product": {
"name": "cbl2 libreswan 4.7-5",
"product_id": "18327"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 libreswan 4.7-6",
"product": {
"name": "\u003cazl3 libreswan 4.7-6",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "azl3 libreswan 4.7-6",
"product": {
"name": "azl3 libreswan 4.7-6",
"product_id": "18328"
}
}
],
"category": "product_name",
"name": "libreswan"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 libreswan 4.7-7 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": "19899-17084"
},
"product_reference": "19899",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccbl2 libreswan 4.7-5 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 libreswan 4.7-5 as a component of CBL Mariner 2.0",
"product_id": "18327-17086"
},
"product_reference": "18327",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 libreswan 4.7-6 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 libreswan 4.7-6 as a component of Azure Linux 3.0",
"product_id": "18328-17084"
},
"product_reference": "18328",
"relates_to_product_reference": "17084"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-38712",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"notes": [
{
"category": "general",
"text": "mitre",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"19899-17084",
"18327-17086",
"18328-17084"
],
"known_affected": [
"17084-1",
"17086-3",
"17084-2"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2023-38712 An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA such as a duplicated Delete/Notify message a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-38712.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2023-08-26T00:00:00.000Z",
"details": "4.7-6:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17084-1",
"17084-2"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
},
{
"category": "vendor_fix",
"date": "2023-08-26T00:00:00.000Z",
"details": "4.7-5: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"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 6.5,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"17084-1",
"17086-3",
"17084-2"
]
}
],
"title": "An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA such as a duplicated Delete/Notify message a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart."
}
]
}
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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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