msrc_cve-2023-33131
Vulnerability from csaf_microsoft
Published
2023-06-13 07:00
Modified
2023-08-21 07:00
Summary
Microsoft Outlook Remote Code Execution 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": [
"Eduardo Braun Prado"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Important"
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"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
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"tlp": {
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"url": "https://www.first.org/tlp/"
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"lang": "en-US",
"notes": [
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"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": {
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"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
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{
"category": "self",
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"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33131"
},
{
"category": "self",
"summary": "CVE-2023-33131 Microsoft Outlook Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-33131.json"
},
{
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"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
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"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 Outlook Remote Code Execution Vulnerability",
"tracking": {
"current_release_date": "2023-08-21T07:00:00.000Z",
"generator": {
"date": "2025-01-01T01:43:29.905Z",
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"version": "1.0"
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"initial_release_date": "2023-06-13T07:00:00.000Z",
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{
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"summary": "Information published."
},
{
"date": "2023-08-21T07:00:00.000Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Corrected Download and Article links in the Security Updates table. This is an informational change only."
}
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"status": "final",
"version": "2"
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"vulnerabilities": [
{
"cve": "CVE-2023-33131",
"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": "An attacker who successfully exploits this vulnerability could perform remote code execution in the context of the victim user. The attacker does not need privileges to attempt to exploit this vulnerability.",
"title": "According to the CVSS metric, the attack vector is network (AV:N) and privilege required is none (PR:N). What is the target used in the context of the remote code execution?"
}
],
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"2",
"3",
"4",
"5",
"6",
"7",
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},
"references": [
{
"category": "self",
"summary": "CVE-2023-33131 Microsoft Outlook Remote Code Execution Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33131"
},
{
"category": "self",
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"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33131"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2023-06-13T07:00:00.000Z",
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},
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{
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{
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"product_ids": [
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 7.7,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
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"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11"
]
}
],
"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Microsoft Outlook Remote Code Execution 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.