MSRC_CVE-2021-34448
Vulnerability from csaf_microsoft - Published: 2021-07-13 07:00 - Updated: 2021-07-13 07:00Summary
Scripting Engine Memory Corruption Vulnerability
Severity
Critical
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.
Affected products
Fixed
28 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Windows 7 for 32-bit Systems Service Pack 1 6.1.7601.25661
Windows 7 for 32-bit Systems Service Pack 1
|
6.1.7601.25661 | ||
|
Windows 7 for x64-based Systems Service Pack 1 6.1.7601.25661
Windows 7 for x64-based Systems Service Pack 1
|
6.1.7601.25661 | ||
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.25661
Windows Server 2008 R2 for x64-based Systems Service Pack 1
|
6.1.7601.25661 | ||
|
Windows Server 2012 6.2.9200.23409
Windows Server 2012
|
6.2.9200.23409 | ||
|
Windows 8.1 for 32-bit systems 6.3.9600.20069
Windows 8.1 for 32-bit systems
|
6.3.9600.20069 | ||
|
Windows 8.1 for x64-based systems 6.3.9600.20069
Windows 8.1 for x64-based systems
|
6.3.9600.20069 | ||
|
Windows Server 2012 R2 6.3.9600.20069
Windows Server 2012 R2
|
6.3.9600.20069 | ||
|
Windows RT 8.1 6.3.9600.20069
Windows RT 8.1
|
6.3.9600.20069 | ||
|
Windows 10 for 32-bit Systems 10.0.10240.19003
Windows 10 for 32-bit Systems
|
10.0.10240.19003 | ||
|
Windows 10 for x64-based Systems 10.0.10240.19003
Windows 10 for x64-based Systems
|
10.0.10240.19003 | ||
|
Windows Server 2016 10.0.14393.4530
Windows Server 2016
|
10.0.14393.4530 | ||
|
Windows 10 Version 1607 for 32-bit Systems 10.0.14393.4530
Windows 10 Version 1607 for 32-bit Systems
|
10.0.14393.4530 | ||
|
Windows 10 Version 1607 for x64-based Systems 10.0.14393.4530
Windows 10 Version 1607 for x64-based Systems
|
10.0.14393.4530 | ||
|
Windows 10 Version 1809 for 32-bit Systems 10.0.17763.2061
Windows 10 Version 1809 for 32-bit Systems
|
10.0.17763.2061 | ||
|
Windows 10 Version 1809 for x64-based Systems 10.0.17763.2061
Windows 10 Version 1809 for x64-based Systems
|
10.0.17763.2061 | ||
|
Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.2061
Windows 10 Version 1809 for ARM64-based Systems
|
10.0.17763.2061 | ||
|
Windows Server 2019 10.0.17763.2061
Windows Server 2019
|
10.0.17763.2061 | ||
|
Windows 10 Version 1909 for 32-bit Systems 10.0.18363.1679
Windows 10 Version 1909 for 32-bit Systems
|
10.0.18363.1679 | ||
|
Windows 10 Version 1909 for x64-based Systems 10.0.18363.1679
Windows 10 Version 1909 for x64-based Systems
|
10.0.18363.1679 | ||
|
Windows 10 Version 1909 for ARM64-based Systems 10.0.18363.1679
Windows 10 Version 1909 for ARM64-based Systems
|
10.0.18363.1679 | ||
|
Windows 10 Version 2004 for 32-bit Systems 10.0.19041.1110
Windows 10 Version 2004 for 32-bit Systems
|
10.0.19041.1110 | ||
|
Windows 10 Version 2004 for ARM64-based Systems 10.0.19041.1110
Windows 10 Version 2004 for ARM64-based Systems
|
10.0.19041.1110 | ||
|
Windows 10 Version 2004 for x64-based Systems 10.0.19041.1110
Windows 10 Version 2004 for x64-based Systems
|
10.0.19041.1110 | ||
|
Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.1110
Windows 10 Version 20H2 for 32-bit Systems
|
10.0.19042.1110 | ||
|
Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.1110
Windows 10 Version 20H2 for ARM64-based Systems
|
10.0.19042.1110 | ||
|
Windows 10 Version 21H1 for x64-based Systems 10.0.19043.1110
Windows 10 Version 21H1 for x64-based Systems
|
10.0.19043.1110 | ||
|
Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.1110
Windows 10 Version 21H1 for ARM64-based Systems
|
10.0.19043.1110 | ||
|
Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.1110
Windows 10 Version 21H1 for 32-bit Systems
|
10.0.19043.1110 |
Known affected
28 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Windows 10 Version 21H1 for 32-bit Systems <10.0.19043.1110
Windows 10 Version 21H1 for 32-bit Systems
|
<10.0.19043.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 21H1 for ARM64-based Systems <10.0.19043.1110
Windows 10 Version 21H1 for ARM64-based Systems
|
<10.0.19043.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 21H1 for x64-based Systems <10.0.19043.1110
Windows 10 Version 21H1 for x64-based Systems
|
<10.0.19043.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 20H2 for ARM64-based Systems <10.0.19042.1110
Windows 10 Version 20H2 for ARM64-based Systems
|
<10.0.19042.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 20H2 for 32-bit Systems <10.0.19042.1110
Windows 10 Version 20H2 for 32-bit Systems
|
<10.0.19042.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 2004 for x64-based Systems <10.0.19041.1110
Windows 10 Version 2004 for x64-based Systems
|
<10.0.19041.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 2004 for ARM64-based Systems <10.0.19041.1110
Windows 10 Version 2004 for ARM64-based Systems
|
<10.0.19041.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 2004 for 32-bit Systems <10.0.19041.1110
Windows 10 Version 2004 for 32-bit Systems
|
<10.0.19041.1110 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1909 for ARM64-based Systems <10.0.18363.1679
Windows 10 Version 1909 for ARM64-based Systems
|
<10.0.18363.1679 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1909 for x64-based Systems <10.0.18363.1679
Windows 10 Version 1909 for x64-based Systems
|
<10.0.18363.1679 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1909 for 32-bit Systems <10.0.18363.1679
Windows 10 Version 1909 for 32-bit Systems
|
<10.0.18363.1679 |
Vendor Fix
fix
|
|
|
Windows Server 2019 <10.0.17763.2061
Windows Server 2019
|
<10.0.17763.2061 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1809 for ARM64-based Systems <10.0.17763.2061
Windows 10 Version 1809 for ARM64-based Systems
|
<10.0.17763.2061 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1809 for x64-based Systems <10.0.17763.2061
Windows 10 Version 1809 for x64-based Systems
|
<10.0.17763.2061 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1809 for 32-bit Systems <10.0.17763.2061
Windows 10 Version 1809 for 32-bit Systems
|
<10.0.17763.2061 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1607 for x64-based Systems <10.0.14393.4530
Windows 10 Version 1607 for x64-based Systems
|
<10.0.14393.4530 |
Vendor Fix
fix
|
|
|
Windows 10 Version 1607 for 32-bit Systems <10.0.14393.4530
Windows 10 Version 1607 for 32-bit Systems
|
<10.0.14393.4530 |
Vendor Fix
fix
|
|
|
Windows Server 2016 <10.0.14393.4530
Windows Server 2016
|
<10.0.14393.4530 |
Vendor Fix
fix
|
|
|
Windows 10 for x64-based Systems <10.0.10240.19003
Windows 10 for x64-based Systems
|
<10.0.10240.19003 |
Vendor Fix
fix
|
|
|
Windows 10 for 32-bit Systems <10.0.10240.19003
Windows 10 for 32-bit Systems
|
<10.0.10240.19003 |
Vendor Fix
fix
|
|
|
Windows RT 8.1 <6.3.9600.20069
Windows RT 8.1
|
<6.3.9600.20069 |
Vendor Fix
fix
|
|
|
Windows Server 2012 R2 <6.3.9600.20069
Windows Server 2012 R2
|
<6.3.9600.20069 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows 8.1 for x64-based systems <6.3.9600.20069
Windows 8.1 for x64-based systems
|
<6.3.9600.20069 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows 8.1 for 32-bit systems <6.3.9600.20069
Windows 8.1 for 32-bit systems
|
<6.3.9600.20069 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows Server 2012 <6.2.9200.23409
Windows Server 2012
|
<6.2.9200.23409 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows Server 2008 R2 for x64-based Systems Service Pack 1 <6.1.7601.25661
Windows Server 2008 R2 for x64-based Systems Service Pack 1
|
<6.1.7601.25661 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows 7 for x64-based Systems Service Pack 1 <6.1.7601.25661
Windows 7 for x64-based Systems Service Pack 1
|
<6.1.7601.25661 |
Vendor Fix
fix
Vendor Fix
fix
|
|
|
Windows 7 for 32-bit Systems Service Pack 1 <6.1.7601.25661
Windows 7 for 32-bit Systems Service Pack 1
|
<6.1.7601.25661 |
Vendor Fix
fix
Vendor Fix
fix
|
Threats
Impact
Remote Code Execution
Exploit Status
Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected;Older Software Release:Exploitation Detected
References
7 references
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"title": "Disclaimer"
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"vulnerabilities": [
{
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"notes": [
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"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
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"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
}
],
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},
{
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"summary": "CVE-2021-34448 Scripting Engine Memory Corruption Vulnerability - CSAF",
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"environmentalScore": 0.0,
"exploitCodeMaturity": "FUNCTIONAL",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 6.3,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C",
"version": "3.1"
},
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],
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{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected;Older Software Release:Exploitation Detected"
}
],
"title": "Scripting Engine Memory Corruption Vulnerability"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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