Summary
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23.
Security Fix(es):
* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 9
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | aspnetcore-runtime-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | aspnetcore-targeting-pack-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | dotnet-apphost-pack-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | dotnet-hostfxr-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | dotnet-runtime-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | dotnet-sdk-6.0 | 6.0.123-1.el8_8 |
| AlmaLinux · 8 | dotnet-sdk-6.0-source-built-artifacts | 6.0.123-1.el8_8 |
| AlmaLinux · 8 | dotnet-targeting-pack-6.0 | 6.0.23-1.el8_8 |
| AlmaLinux · 8 | dotnet-templates-6.0 | 6.0.123-1.el8_8 |
Vulnerabilities 1
-
High 7.5
HTTP/2 Stream Cancellation Attack
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
KEV Oct 10, 2023