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CVE-2023-36049

.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability

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#vulnerability

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Ubuntu Security Notice USN-6480-1

Ubuntu Security Notice 6480-1 - Barry Dorrans discovered that .NET did not properly implement certain security features for Blazor server forms. An attacker could possibly use this issue to bypass validation, which could trigger unintended actions. Piotr Bazydlo discovered that .NET did not properly handle untrusted URIs provided to System.Net.WebRequest.Create. An attacker could possibly use this issue to inject arbitrary commands to backend FTP servers.

Red Hat Security Advisory 2023-7259-01

Red Hat Security Advisory 2023-7259-01 - An update for.NET 6.0 is now available for Red Hat Enterprise Linux 7. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2023-7258-01

Red Hat Security Advisory 2023-7258-01 - An update for dotnet6.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2023-7257-01

Red Hat Security Advisory 2023-7257-01 - An update for dotnet6.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2023-7256-01

Red Hat Security Advisory 2023-7256-01 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2023-7255-01

Red Hat Security Advisory 2023-7255-01 - An update for dotnet7.0 is now available for Red Hat Enterprise Linux 9. Issues addressed include a bypass vulnerability.

GHSA-c3hf-8vgx-72rh: Microsoft Security Advisory CVE-2023-36049: .NET Elevation of Privilege Vulnerability

# Microsoft Security Advisory CVE-2023-36049: .NET Elevation of Privilege Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 7.0 and .NET 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. An elevation of privilege vulnerability exists in .NET where untrusted URIs provided to System.Net.WebRequest.Create can be used to inject arbitrary commands to backend FTP servers. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/287 ### <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 6.0 application running on .NET 6.0.24 or earlier. * Any .NET 7.0 application running on .NET 7.0.13 or e...

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