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Visual Studio 2017 CVE-2023-21808

HIGH
Use After Free (CWE-416)
2023-02-14 secure@microsoft.com
RCE Use After Free Memory Corruption Microsoft Visual Studio 2017 Visual Studio 2019 Visual Studio 2022 Net Net Framework
7.8
CVSS 3.1 · Vendor: microsoft
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Severity by source

Vendor (microsoft) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Feb 14, 2023 - 21:15 cve.org
HIGH 7.8

DescriptionCVE.org

.NET and Visual Studio Remote Code Execution Vulnerability

AnalysisAI

.NET and Visual Studio Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Affected products include: Microsoft .Net, Microsoft Visual Studio 2017, Microsoft Visual Studio 2019, Microsoft Visual Studio 2022, Microsoft .Net Framework.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

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CVE-2023-21808 vulnerability details – vuln.today
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