msrc_cve-2023-41764
Vulnerability from csaf_microsoft
Published
2023-09-12 07:00
Modified
2023-09-12 07:00
Summary
Microsoft Office Spoofing 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": [
"Simon Rohlmann, Vladislav Mladenov, Christian Mainka and J\u00f6rg Schwenk with \u003ca href=\"https://informatik.rub.de/nds/\"\u003eRuhr University Bochum\u003c/a\u003e"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Moderate"
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"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
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},
"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-2023-41764 Microsoft Office Spoofing Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41764"
},
{
"category": "self",
"summary": "CVE-2023-41764 Microsoft Office Spoofing Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-41764.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 Office Spoofing Vulnerability",
"tracking": {
"current_release_date": "2023-09-12T07:00:00.000Z",
"generator": {
"date": "2025-01-01T02:04:05.619Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2023-41764",
"initial_release_date": "2023-09-12T07:00:00.000Z",
"revision_history": [
{
"date": "2023-09-12T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003chttps://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office 2019 for 32-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
"product_id": "6"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office 2019 for 32-bit editions https://aka.ms/OfficeSecurityReleases",
"product_id": "11573"
}
}
],
"category": "product_name",
"name": "Microsoft Office 2019 for 32-bit editions"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003chttps://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office 2019 for 64-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
"product_id": "5"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office 2019 for 64-bit editions https://aka.ms/OfficeSecurityReleases",
"product_id": "11574"
}
}
],
"category": "product_name",
"name": "Microsoft Office 2019 for 64-bit editions"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003chttps://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft 365 Apps for Enterprise for 32-bit Systems \u003chttps://aka.ms/OfficeSecurityReleases",
"product_id": "4"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft 365 Apps for Enterprise for 32-bit Systems https://aka.ms/OfficeSecurityReleases",
"product_id": "11762"
}
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"name": "Microsoft 365 Apps for Enterprise for 32-bit Systems"
},
{
"branches": [
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"category": "product_version_range",
"name": "\u003chttps://aka.ms/OfficeSecurityReleases",
"product": {
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"product_id": "3"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
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"product_id": "2"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
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"product_id": "11952"
}
}
],
"category": "product_name",
"name": "Microsoft Office LTSC 2021 for 64-bit editions"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003chttps://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office LTSC 2021 for 32-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "https://aka.ms/OfficeSecurityReleases",
"product": {
"name": "Microsoft Office LTSC 2021 for 32-bit editions https://aka.ms/OfficeSecurityReleases",
"product_id": "11953"
}
}
],
"category": "product_name",
"name": "Microsoft Office LTSC 2021 for 32-bit editions"
},
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"name": "\u003c16.0.5413.1000",
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}
},
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"product": {
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"product_id": "10753"
}
}
],
"category": "product_name",
"name": "Microsoft Office 2016 (32-bit edition)"
},
{
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"name": "\u003c16.0.5413.1000",
"product": {
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"product_id": "7"
}
},
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"product": {
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"product_id": "10754"
}
}
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"name": "Microsoft Office 2016 (64-bit edition)"
},
{
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"name": "\u003c15.0.5589.1000",
"product": {
"name": "Microsoft Office 2013 RT Service Pack 1 \u003c15.0.5589.1000",
"product_id": "9"
}
},
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"category": "product_version",
"name": "15.0.5589.1000",
"product": {
"name": "Microsoft Office 2013 RT Service Pack 1 15.0.5589.1000",
"product_id": "10603"
}
}
],
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"name": "Microsoft Office 2013 RT Service Pack 1"
},
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}
},
{
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}
}
],
"category": "product_name",
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},
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"product_id": "10"
}
},
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"name": "15.0.5589.1000",
"product": {
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"product_id": "10602"
}
}
],
"category": "product_name",
"name": "Microsoft Office 2013 Service Pack 1 (64-bit editions)"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-41764",
"cwe": {
"id": "CWE-347",
"name": "Improper Verification of Cryptographic Signature"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Exploitation of the vulnerability requires that a user open a specially crafted file.\nIn an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file., In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability.\nAn attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"category": "faq",
"text": "The attack itself is carried out locally by a user with authentication to the targeted system. An attacker could exploit the vulnerability by convincing a victim, through social engineering, to download and open a specially crafted file from a website which could lead to a local attack on the victim computer.",
"title": "According to the CVSS metric, the attack vector is local (AV:L) but no privileges are required (PR:N) and user interaction is required (UI:R). How could an attacker exploit this spoofing vulnerability?"
},
{
"category": "faq",
"text": "The vulnerability could allow an unauthenticated attacker to insert malicious content into a document which then passes the authentication check when a partial signature is present.",
"title": "According to the CVSS metric, successful exploitation of this vulnerability could lead to total loss of integrity (I:H)? What does that mean for this vulnerability?"
}
],
"product_status": {
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"10602",
"10603",
"10753",
"10754",
"11573",
"11574",
"11762",
"11763",
"11952",
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"known_affected": [
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"2",
"3",
"4",
"5",
"6",
"7",
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"11"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2023-41764 Microsoft Office Spoofing Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41764"
},
{
"category": "self",
"summary": "CVE-2023-41764 Microsoft Office Spoofing Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-41764"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2023-09-12T07:00:00.000Z",
"details": "https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates",
"product_ids": [
"6",
"5",
"4",
"3",
"2",
"1"
],
"url": "https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"
},
{
"category": "vendor_fix",
"date": "2023-09-12T07:00:00.000Z",
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"product_ids": [
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],
"url": "https://support.microsoft.com/help/5002457"
},
{
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"product_ids": [
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],
"url": "https://support.microsoft.com/help/5002498"
},
{
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],
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},
{
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"product_ids": [
"7"
],
"url": "https://support.microsoft.com/help/5002457"
},
{
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"details": "16.0.5413.1000:Security Update:https://support.microsoft.com/help/5002498",
"product_ids": [
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],
"url": "https://support.microsoft.com/help/5002498"
},
{
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"date": "2023-09-12T07:00:00.000Z",
"details": "16.0.5413.1000:Security Update:https://support.microsoft.com/help/5002100",
"product_ids": [
"7"
],
"url": "https://support.microsoft.com/help/5002100"
},
{
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"date": "2023-09-12T07:00:00.000Z",
"details": "15.0.5589.1000:Security Update:https://support.microsoft.com/help/5002477",
"product_ids": [
"9"
],
"url": "https://support.microsoft.com/help/5002477"
},
{
"category": "vendor_fix",
"date": "2023-09-12T07:00:00.000Z",
"details": "15.0.5589.1000:Security Update:https://support.microsoft.com/help/5002477",
"product_ids": [
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],
"url": "https://support.microsoft.com/help/5002477"
},
{
"category": "vendor_fix",
"date": "2023-09-12T07:00:00.000Z",
"details": "15.0.5589.1000:Security Update:https://support.microsoft.com/help/5002477",
"product_ids": [
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"url": "https://support.microsoft.com/help/5002477"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 4.8,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11"
]
}
],
"threats": [
{
"category": "impact",
"details": "Spoofing"
},
{
"category": "exploit_status",
"details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Microsoft Office Spoofing 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.