#microsoft

Microsoft has released security updates to fix a total of 118 vulnerabilities across its software portfolio, two of which have come under active exploitation in the wild. Of the 118 flaws, three are rated Critical, 113 are rated Important, and two are rated Moderate in severity. The Patch Tuesday update doesn't include the 25 additional flaws that the tech giant addressed in its Chromium-based

Microsoft is warning of cyber attack campaigns that abuse legitimate file hosting services such as SharePoint, OneDrive, and Dropbox that are widely used in enterprise environments as a defense evasion tactic. The end goal of the campaigns are broad and varied, allowing threat actors to compromise identities and devices and conduct business email compromise (BEC) attacks, which ultimately result

Microsoft today released security updates to fix at least 117 security holes in Windows computers and other software, including two vulnerabilities that are already seeing active attacks. Also, Adobe plugged 52 security holes across a range of products, and Apple has addressed a bug in its new macOS 15 "Sequoia" update that broke many cybersecurity tools.

Threat actors are actively exploiting two of the vulnerabilities, while three others are publicly known and ripe for attack.

# Microsoft Security Advisory CVE-2024-43485 | .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 System.Text.Json 6.0.x and 8.0.x. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. In System.Text.Json 6.0.x and 8.0.x, applications which deserialize input to a model with an `[ExtensionData]` property can be vulnerable to an algorithmic complexity attack resulting in Denial of Service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/329 ## <a name="mitigation-factors"></a>Mitigation factors JSON models which do not utilize the `[ExtensionData]` feature are not impacted by this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 8.0 application running on .NET 8.0.8 or earlier. * Any .NET 6.0 ...

# Microsoft Security Advisory CVE-2024-43484 | .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 System.IO.Packaging. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. The System.IO.Packaging library may allow untrusted inputs to influence algorithmically complex operations, leading to denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/328 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET Core project if it uses any of affected packages versions listed below ### <a name=".NET 9"></a>.NET 9 Package name | Affected version | ...

# Microsoft Security Advisory CVE-2024-43483 | .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 System.Security.Cryptography.Cose, System.IO.Packaging, System.Runtime.Caching. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. System.Security.Cryptography.Cose, System.IO.Packaging, System.Runtime.Caching may be exposed to a hostile input which may lead them to be susceptible to hash flooding attacks resulting in denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/327 ## <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 8.0 application running on .NET 8.0.8 or e...

The two vulnerabilities that Microsoft reports have been actively exploited in the wild and are publicly known are both rated as only being of “moderate” severity.

# Microsoft Security Advisory CVE-2024-38229 | .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 8.0 and .NET 9.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in ASP.NET when closing an HTTP/3 stream while application code is writing to the response body, a race condition may lead to use-after-free. Note: HTTP/3 is experimental in .NET 6.0. If you are on .NET 6.0 and using HTTP/3, please upgrade to .NET 8.0.10. .NET 6.0 will not receive a security patch for this vulnerability. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/326 ## <a name="mitigation-factors"></a>Mitigation factors HTTP/3 support is not enabled by default in ASP.NET Core applications. For more information on how ...

Users searching for game cheats are being tricked into downloading a Lua-based malware that is capable of establishing persistence on infected systems and delivering additional payloads. "These attacks capitalize on the popularity of Lua gaming engine supplements within the student gamer community," Morphisec researcher Shmuel Uzan said in a new report published today, adding "this malware