#asp.net

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.

Microsoft has patched a total of 63 vulnerabilities this Patch Tuesday. Make sure you update as soon as you can.

Microsoft has released fixes to address 63 security bugs in its software for the month of November 2023, including three vulnerabilities that have come under active exploitation in the wild. Of the 63 flaws, three are rated Critical, 56 are rated Important, and four are rated Moderate in severity. Two of them have been listed as publicly known at the time of the release. The updates are in

Microsoft today released updates to fix more than five dozen security holes in its Windows operating systems and related software, including three "zero day" vulnerabilities that Microsoft warns are already being exploited in active attacks.

ASP.NET Core Denial of Service Vulnerability

ASP.NET Core - Security Feature Bypass Vulnerability

# Microsoft Security Advisory CVE-2023-36558: .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 6.0, ASP.NET Core 7.0 and, ASP.NET Core 8.0 RC2. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A security feature bypass vulnerability exists in ASP.NET where an unauthenticated user is able to bypass validation on Blazor server forms which could trigger unintended actions. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/288 ### <a name="mitigation-factors"></a>Mitigation factors This vulnerability only affects ASP.NET Core Blazor apps. Other application types, including ASP.NET Core apps which do not utilize Blazor, are not affected. ## <a name="affected-software"></a>Affected software * Any ASP...

**How could an attacker exploit this vulnerability?** This vulnerability could be exploited if http requests to .NET 8 RC 1 running on IIS InProcess hosting model are cancelled. Threads counts would increase and an OutOfMemoryException is possible.

**What kind of security feature could be bypassed by successfully exploiting this vulnerability?** An unauthenticated attacker could bypass validations on Blazor Server forms.

**What kind of security feature could be bypassed by successfully exploiting this vulnerability?** The attacker would be able to bypass the security checks that prevents an attacker from accessing internal applications in a website.