#microsoft

# Microsoft Security Advisory CVE-2023-38178: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET Kestrel where a malicious client can bypass QUIC stream limit in HTTP/3 in both ASP.NET and .NET runtimes resulting in denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/268 ### <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 7.0.9 or earlier. If your application uses the following package versions, ensure you update to the latest version of ....

# Microsoft Security Advisory CVE-2023-38180: .NET Denial of Service 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, .NET 6.0, and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in Kestrel where, on detecting a potentially malicious client, Kestrel will sometimes fail to disconnect it, resulting in denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/269 ### <a name="mitigation-factors"></a>Mitigation factors If your application is running behind a reverse proxy, or Web Application Firewall, which has its own mitigations against HTTP based attacks this issue may be mitigated by the proxy or WAF ## <a name="affected-software"></a>Affected software * Any .NET 7.0 applicat...

As the victims of commercial spyware are highly targeted individuals, the sobering truth is that some attackers have the means to be able to spend six figures to compromise a single target.

Microsoft has patched a total of 74 flaws in its software as part of the company's Patch Tuesday updates for August 2023, down from the voluminous 132 vulnerabilities the company fixed last month. This comprises six Critical and 67 Important security vulnerabilities. Also released by the tech giant are two defense-in-depth updates for Microsoft Office (ADV230003) and the Memory Integrity System

Tactical similarities have been unearthed between the double extortion ransomware group known as Rhysida and Vice Society, including in their targeting of education and healthcare sectors. "As Vice Society was observed deploying a variety of commodity ransomware payloads, this link does not suggest that Rhysida is exclusively used by Vice Society, but shows with at least medium confidence that

"FFRI yarai", "FFRI yarai Home and Business Edition" and their OEM products handle exceptional conditions improperly, which may lead to denial-of-service (DoS) condition. Affected products and versions are as follows: FFRI yarai versions 3.4.0 to 3.4.6 and 3.5.0, FFRI yarai Home and Business Edition version 1.4.0, InfoTrace Mark II Malware Protection (Mark II Zerona) versions 3.0.1 to 3.2.2, Zerona / Zerona PLUS versions 3.2.32 to 3.2.36, ActSecure ? versions 3.4.0 to 3.4.6 and 3.5.0, Dual Safe Powered by FFRI yarai version 1.4.1, EDR Plus Pack (Bundled FFRI yarai versions 3.4.0 to 3.4.6 and 3.5.0), and EDR Plus Pack Cloud (Bundled FFRI yarai versions 3.4.0 to 3.4.6 and 3.5.0).

Microsoft Corp. today issued software updates to plug more than 70 security holes in its Windows operating systems and related products, including a patch that addresses multiple zero-day vulnerabilities currently being exploited in the wild.

The only vulnerability Microsoft states is being exploited in the wild is CVE-2023-38180, a denial-of-service vulnerability in .NET and Microsoft Visual Studio.

Microsoft Message Queuing Remote Code Execution Vulnerability

Microsoft Message Queuing Remote Code Execution Vulnerability