msrc_cve-2024-21305
Vulnerability from csaf_microsoft
Published
2024-01-09 08:00
Modified
2024-01-09 08:00
Summary
Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass 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/standa_t\"\u003eSatoshi Tanda\u003c/a\u003e with \u003ca href=\"https://tandasat.github.io/\"\u003eSystem Programming Lab\u003c/a\u003e"
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"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.",
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"generator": {
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"vulnerabilities": [
{
"cve": "CVE-2024-21305",
"cwe": {
"id": "CWE-732",
"name": "Incorrect Permission Assignment for Critical Resource"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Successful exploitation of this vulnerability requires an attacker to compromise admin credentials on the device.",
"title": "According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?"
},
{
"category": "faq",
"text": "A hypervisor-protected code integrity (HVCI) security feature bypass vulnerability could exist on some specific Microsoft Surface hardware computers that are still in support, when Windows incorrectly allows certain kernel-mode pages to be marked as Read, Write, Execute (RWX) even with HVCI enabled. To exploit this vulnerability an attacker could run a specially crafted application at administrator level that exploits a signed driver to bypass code integrity protections in Windows.\nThe following versions of Microsoft Surface computers are exploitable by this vulnerability:\nHub 3, Pro 5 - not updated due to end of life, Pro 7 - not updated due to end of life, Laptop Studio, Laptop Go 2, Pro 7+, Studio 2 +, Laptop 4 (Intel), Pro 8, Hub 2S, Hub 2S, Book 3, Laptop 3 (Intel), Laptop Go, Studio 2",
"title": "What kind of security feature could be bypassed by successfully exploiting this vulnerability?"
}
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},
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"url": "https://msrc.microsoft.com/csaf/advisories/2024/msrc_cve-2024-21305.json"
}
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 3.9,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
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}
],
"threats": [
{
"category": "impact",
"details": "Security Feature Bypass"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass 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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