msrc_cve-2023-23396
Vulnerability from csaf_microsoft
Published
2023-03-14 07:00
Modified
2023-06-13 07:00
Summary
Microsoft Excel Denial of Service Vulnerability
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.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.
{
"document": {
"acknowledgments": [
{
"names": [
"\u003ca href=\"https://lucabarile.github.io/\"\u003eLuca Barile\u003c/a\u003e "
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Important"
},
"category": "csaf_security_advisory",
"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"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2023-23396 Microsoft Excel Denial of Service Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23396"
},
{
"category": "self",
"summary": "CVE-2023-23396 Microsoft Excel Denial of Service Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-23396.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"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": "Microsoft Excel Denial of Service Vulnerability",
"tracking": {
"current_release_date": "2023-06-13T07:00:00.000Z",
"generator": {
"date": "2025-01-01T00:47:47.528Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2023-23396",
"initial_release_date": "2023-03-14T07:00:00.000Z",
"revision_history": [
{
"date": "2023-03-14T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2023-05-09T07:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Added FAQ information. This is an informational change only."
},
{
"date": "2023-05-18T07:00:00.000Z",
"legacy_version": "1.2",
"number": "3",
"summary": "Updated FAQ information. This is an informational change only."
},
{
"date": "2023-06-13T07:00:00.000Z",
"legacy_version": "1.3",
"number": "4",
"summary": "Added FAQ information. This is an informational change only."
}
],
"status": "final",
"version": "4"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c16.0.10396.20000",
"product": {
"name": "Microsoft Office Online Server \u003c16.0.10396.20000",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "16.0.10396.20000",
"product": {
"name": "Microsoft Office Online Server 16.0.10396.20000",
"product_id": "11605"
}
}
],
"category": "product_name",
"name": "Microsoft Office Online Server"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c15.0.5537.1000",
"product": {
"name": "Microsoft Office Web Apps Server 2013 Service Pack 1 \u003c15.0.5537.1000",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "15.0.5537.1000",
"product": {
"name": "Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5537.1000",
"product_id": "10611"
}
}
],
"category": "product_name",
"name": "Microsoft Office Web Apps Server 2013 Service Pack 1"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-23396",
"cwe": {
"id": "CWE-400",
"name": "Uncontrolled Resource Consumption"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "The attacker could exploit this vulnerability by convincing a victim to open a specially crafted XLSX file which when opened would cause a denial-of-service condition for other processes running on that machine.",
"title": "How could an attacker exploit this vulnerability?"
},
{
"category": "faq",
"text": "No, the Preview Pane is not an attack vector.",
"title": "Is the Preview Pane an attack vector for this vulnerability?"
},
{
"category": "faq",
"text": "An attacker could trigger this vulnerability by convincing a victim to access a malicious file via a network connection or by downloading and opening the malicious file locally. In the worst case scenario, the malicious file could be triggered with a web request (AV:N). When multiple attack vectors can be used, we assign a score based on the scenario with the higher risk.",
"title": "According to the CVSS metric, the attack vector is network (AV:N). What does that mean for this vulnerability?"
}
],
"product_status": {
"fixed": [
"10611",
"11605"
],
"known_affected": [
"1",
"2"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2023-23396 Microsoft Excel Denial of Service Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23396"
},
{
"category": "self",
"summary": "CVE-2023-23396 Microsoft Excel Denial of Service Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23396"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2023-03-14T07:00:00.000Z",
"details": "16.0.10396.20000:Security Update:https://support.microsoft.com/help/5002356",
"product_ids": [
"1"
],
"url": "https://support.microsoft.com/help/5002356"
},
{
"category": "vendor_fix",
"date": "2023-03-14T07:00:00.000Z",
"details": "15.0.5537.1000:Security Update:https://support.microsoft.com/kb/5002362",
"product_ids": [
"2"
],
"url": "https://support.microsoft.com/kb/5002362"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 5.7,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2"
]
}
],
"threats": [
{
"category": "impact",
"details": "Denial of Service"
},
{
"category": "exploit_status",
"details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Microsoft Excel Denial of Service Vulnerability"
}
]
}
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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.
- 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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