Tag
#asp.net
ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability
**What type of information could be disclosed by this vulnerability?** This vulnerability makes it possible to listen to any group or user with a specially crafted group/username. By exploiting this vulnerability, the attacker can now receive messages for group(s) that they are unauthorized to view.
**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** The target environment could be accidentally configured to allow the vulnerability.
**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** The target environment could be accidentally configured to allow the vulnerability.
**What type of information could be disclosed by this vulnerability?** This vulnerability makes it possible to listen to any group or user with a specially crafted group/username. By exploiting this vulnerability, the attacker can now receive messages for group(s) that they are unauthorized to view.
Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.
The Syncfusion EJ2 ASPCore File Provider 3ac357f is vulnerable to Models/PhysicalFileProvider.cs directory traversal. As a result, an unauthenticated attacker can list files within a directory, download any file, or upload any file to any directory accessible by the web server.
The Syncfusion EJ2 Node File Provider 0102271 is vulnerable to filesystem-server.js directory traversal. As a result, an unauthenticated attacker can: - On Windows, list files in any directory, read any file, delete any file, upload any file to any directory accessible by the web server. - On Linux, read any file, download any directory, delete any file, upload any file to any directory accessible by the web server.
# Microsoft Security Advisory CVE-2023-33170: .NET Security Feature Bypass Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core 2.1 and above. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exist in ASP.NET Core applications where account lockout maximum failed attempts may not be immediately updated, allowing an attacker to try more passwords. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/aspnetcore/issues/49334 ### <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 ASP.NET 7.0 application running on .NET 7.0.8 or earlier. * Any ASP.NET 6.0 application running on .NET 6.0.19 or earlier. * Any ASP.N...