Microsoft Security Advisory CVE-2023-36793: .NET Remote Code Execution Vulnerability
Date: 2023-09
Affected: nuget/Microsoft.NETCore.App.Runtime.win-x86, nuget/Microsoft.NETCore.App.Runtime.win-x86, nuget/Microsoft.NETCore.App.Runtime.win-x64
Attack vector: rce
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2023-36793
CVSS: 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

# Microsoft Security Advisory CVE-2023-36793: .NET Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in Microsoft.DiaSymReader.Native.amd64.dll when reading a corrupted PDB file which may lead to remote code execution. This issue only affects Windows systems. **Note:** The vulnerabilities [CVE-2023-36792]( https://www.cve.org/CVERecord?id=CVE-2023-36792), [CVE-2023-36793]( https://www.cve.org/CVERecord?id=CVE-2023-36793), [CVE-2023-36792]( https://www.cve.org/CVERecord?id=CVE-2023-36794), [CVE-2023-36796]( https://www.cve.org/CVERecord?id=CVE-2023-36796) are all resolved by a single patch. Get [affected software](#affected-software) to resolve all of them. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/runtime/issues/91947 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 7.0.10 or earlier. * Any .NET 6.0 application running on .NET 6.0.21 or earlier. If your application uses the following package versions, ensure you update to the latest version of .NET. ##


Mitigations:

Architectural layers (MAESTRO):