msrc_cve-2022-38023
Vulnerability from csaf_microsoft
Published
2022-11-08 08:00
Modified
2023-07-18 07:00
Summary
Netlogon RPC Elevation of Privilege 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.
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"text": "Microsoft",
"title": "Assigning CNA"
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"text": "This vulnerability only applies the Windows Server versions listed in the Security Update table.",
"title": "Does this vulnerability affect client operating systems?"
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"text": "The update to address this vulnerability for Windows Server 2022 Datacenter: Azure Edition (Server Core) is not hotpatchable and is therefore not included in the November Hotpatch KB (5019080). Customers running Windows Server 2022 Datacenter: Azure Edition (Server Core) as a domain controller should install the update for Windows Server 2022 (5019081). This update will require a computer restart.",
"title": "I am running Windows Server 2022 Datacenter: Azure Edition (Server Core) but the hotpatch (Windows Server 2022 Datacenter: Azure Edition (Hotpatch)) for it is not listed in the Security Updates table. Is there an update that I can apply for this edition of Windows Server 2022?"
},
{
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"text": "An attacker who successfully exploited this vulnerability could gain administrator privileges.",
"title": "What privileges could be gained by an attacker who successfully exploited the vulnerability?"
},
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"title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
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{
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"text": "An authenticated attacker could leverage cryptographic protocol vulnerabilities in the Windows Netlogon protocol when RPC Signing is used instead of RPC Sealing. Where RPC Signing is used instead of RPC Sealing the attacker could gain control of the service and then might be able to modify Netlogon protocol traffic to elevate their privileges.",
"title": "How could an attacker exploit this vulnerability?"
},
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"text": "To give administrators time to make corrections that prevent authentication failures, and to provide a choice on when to implement the enforcement, Microsoft is addressing this vulnerability in a phased rollout.\nPlease refer to the planned enforcement timeline in the KB article: How to manage Netlogon Protocol changes related to CVE-2022-38023.\nWhen each phase of Windows updates become available, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this CVE. See Microsoft Technical Security Notifications and Security Update Guide Notification System News: Create your profile now \u2013 Microsoft Security Response Center.",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 7.1,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
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"category": "impact",
"details": "Elevation of Privilege"
},
{
"category": "exploit_status",
"details": "Exploited:No;Latest Software Release:Exploitation More Likely"
}
],
"title": "Netlogon RPC Elevation of Privilege 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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