GHSA-xh5m-8qqp-c5x7

Remote Denial of Service Vulnerability in Microsoft.Native.Quic.MsQuic.Schannel

Source: GitHub Advisory Database (reviewed) High CVE-2023-38171

Packages

Ecosystem	Package	Affected	Fixed in
NuGet	Microsoft.Native.Quic.MsQuic.Schannel	< 2.2.3	2.2.3
NuGet	Microsoft.Native.Quic.MsQuic.OpenSSL	< 2.2.3	2.2.3

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact The MsQuic server application or process will crash, resulting in a denial of service. ### Patches The following patch was made: - Don't Allow Version Negotiation Packets for Server Connections - https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343 ### Workarounds Beyond upgrading to the patched versions, there is no other workaround. You must upgrade or disable MsQuic functionality.

References

External links from the advisory. They lead to third-party sites.

https://github.com/microsoft/msquic/security/advisories/GHSA-xh5m-8qqp-c5x7 web
https://nvd.nist.gov/vuln/detail/CVE-2023-38171 advisory
https://github.com/microsoft/msquic/commit/3226cff07d22662f16fc98d605656860e64cd343 web
https://github.com/microsoft/msquic package
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38171 web