Ubuntu alert USN-6438-1 (dotnet6, dotnet7)
| From: | Ian Constantin <ian.constantin@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-6438-1] .NET vulnerabilities | |
| Date: | Thu, 19 Oct 2023 21:11:18 +0300 | |
| Message-ID: | <d8635c14-b894-4614-9bd3-be83e5215419@canonical.com> |
========================================================================== Ubuntu Security Notice USN-6438-1 October 19, 2023 dotnet6, dotnet7 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 Summary: Several security issues were fixed in dotnet6, dotnet7. Software Description: - dotnet6: dotNET CLI tools and runtime - dotnet7: dotNET CLI tools and runtime Details: Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-36799) It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-44487) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: aspnetcore-runtime-6.0 6.0.123-0ubuntu1 aspnetcore-runtime-7.0 7.0.112-0ubuntu1 dotnet-host 6.0.123-0ubuntu1 dotnet-host-7.0 7.0.112-0ubuntu1 dotnet-hostfxr-6.0 6.0.123-0ubuntu1 dotnet-hostfxr-7.0 7.0.112-0ubuntu1 dotnet-runtime-6.0 6.0.123-0ubuntu1 dotnet-runtime-7.0 7.0.112-0ubuntu1 dotnet-sdk-6.0 6.0.123-0ubuntu1 dotnet-sdk-7.0 7.0.112-0ubuntu1 dotnet6 6.0.123-0ubuntu1 dotnet7 7.0.112-0ubuntu1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6438-1 CVE-2023-36799, CVE-2023-44487 Package Information: https://launchpad.net/ubuntu/+source/dotnet6/6.0.123-0ubu... https://launchpad.net/ubuntu/+source/dotnet7/7.0.112-0ubu...