msrc_cve-2023-36737
Vulnerability from csaf_microsoft
Published
2023-10-10 07:00
Modified
2023-10-10 07:00
Summary
Azure Network Watcher VM Agent 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.
{ "document": { "acknowledgments": [ { "names": [ "\u003ca href=\"https://twitter.com/linhlhq\"\u003eL\u0026#234; H\u1eefu Quang Linh\u003c/a\u003e with \u003ca href=\"https://twitter.com/starlabs_sg\"\u003eSTAR Labs SG Pte. Ltd.\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-2023-36737 Azure Network Watcher VM Agent Elevation of Privilege Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36737" }, { "category": "self", "summary": "CVE-2023-36737 Azure Network Watcher VM Agent Elevation of Privilege Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-36737.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": "Azure Network Watcher VM Agent Elevation of Privilege Vulnerability", "tracking": { "current_release_date": "2023-10-10T07:00:00.000Z", "generator": { "date": "2025-01-01T02:10:24.756Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2023-36737", "initial_release_date": "2023-10-10T07:00:00.000Z", "revision_history": [ { "date": "2023-10-10T07:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c1.4.2798.3", "product": { "name": "Azure Network Watcher VM Extension \u003c1.4.2798.3", "product_id": "1" } }, { "category": "product_version", "name": "1.4.2798.3", "product": { "name": "Azure Network Watcher VM Extension 1.4.2798.3", "product_id": "12127" } } ], "category": "product_name", "name": "Azure Network Watcher VM Extension" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-36737", "cwe": { "id": "CWE-59", "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "Azure Network Watcher provides tools to monitor, diagnose, view metrics, and enable or disable logs for resources in an Azure virtual network. Network Watcher is designed to monitor and repair the network health of IaaS (Infrastructure-as-a-Service) products including Virtual Machines (VM), Virtual Networks, Application Gateways, Load balancers, etc.\nFor more details, please refer to: What is Azure Network Watcher?.", "title": "What is Network Watcher?" }, { "category": "faq", "text": "An attacker who successfully exploited this vulnerability could route Packet Captures to a location in their control and perform file deletions that would limit the victim\u0027s troubleshooting and diagnostic capabilities.", "title": "What privileges would an attacker gain by successfully exploiting this vulnerability?" }, { "category": "faq", "text": "An attacker must have access to the target virtual machine as an RBAC user with Reader role permissions or above.", "title": "According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?" }, { "category": "faq", "text": "To successfully exploit this vulnerability, an attacker would need access to the virtual machine to be able to interfere with the Network Watcher Agent installation process.", "title": "According to the CVSS metric, the attack vector is local (AV:L). What does this mean for this vulnerability?" }, { "category": "faq", "text": "Azure customers who have enabled auto updates are mitigated automatically by the update deployed across Azure and do not need to take any action. Customers without auto updates enabled must re-install the NetworkWatcher Extension on their virtual machines to mitigate the risks of this vulnerability. These customers will receive additional messaging through the Azure Portal via Azure Service Health with further guidance.", "title": "Is there any action Azure customers need to take?" } ], "product_status": { "fixed": [ "12127" ], "known_affected": [ "1" ] }, "references": [ { "category": "self", "summary": "CVE-2023-36737 Azure Network Watcher VM Agent Elevation of Privilege Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36737" }, { "category": "self", "summary": "CVE-2023-36737 Azure Network Watcher VM Agent Elevation of Privilege Vulnerability - CSAF", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36737" } ], "remediations": [ { "category": "vendor_fix", "date": "2023-10-10T07:00:00.000Z", "details": "1.4.2798.3:Security Update:https://learn.microsoft.com/en-us/azure/virtual-machines/extensions/network-watcher-update?tabs=windows", "product_ids": [ "1" ], "url": "https://learn.microsoft.com/en-us/azure/virtual-machines/extensions/network-watcher-update?tabs=windows" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "environmentalsScore": 0.0, "exploitCodeMaturity": "FUNCTIONAL", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 7.2, "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C", "version": "3.1" }, "products": [ "1" ] } ], "threats": [ { "category": "impact", "details": "Elevation of Privilege" }, { "category": "exploit_status", "details": "Exploited:No;Latest Software Release:Exploitation Less Likely" } ], "title": "Azure Network Watcher VM Agent Elevation of Privilege Vulnerability" } ] }
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Sightings
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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.