==========================================================================
Ubuntu Security Notice USN-6006-1
April 11, 2023
dotnet6, dotnet7 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.10
- Ubuntu 22.04 LTS
Summary:
.NET could be made to run programs as your login.
Software Description:
- dotnet6: dotNET CLI tools and runtime
- dotnet7: dotNET CLI tools and runtime
Details:
It was discovered that .NET did not properly manage dll files. An
attacker could potentially use this issue to execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.10:
aspnetcore-runtime-6.0 6.0.116-0ubuntu1~22.10.1
aspnetcore-runtime-7.0 7.0.105-0ubuntu1~22.10.1
dotnet-host 6.0.116-0ubuntu1~22.10.1
dotnet-host-7.0 7.0.105-0ubuntu1~22.10.1
dotnet-hostfxr-6.0 6.0.116-0ubuntu1~22.10.1
dotnet-hostfxr-7.0 7.0.105-0ubuntu1~22.10.1
dotnet-runtime-6.0 6.0.116-0ubuntu1~22.10.1
dotnet-runtime-7.0 7.0.105-0ubuntu1~22.10.1
dotnet-sdk-6.0 6.0.116-0ubuntu1~22.10.1
dotnet-sdk-7.0 7.0.105-0ubuntu1~22.10.1
dotnet6 6.0.116-0ubuntu1~22.10.1
dotnet7 7.0.105-0ubuntu1~22.10.1
Ubuntu 22.04 LTS:
aspnetcore-runtime-6.0 6.0.116-0ubuntu1~22.04.1
dotnet-host 6.0.116-0ubuntu1~22.04.1
dotnet-hostfxr-6.0 6.0.116-0ubuntu1~22.04.1
dotnet-runtime-6.0 6.0.116-0ubuntu1~22.04.1
dotnet-sdk-6.0 6.0.116-0ubuntu1~22.04.1
dotnet6 6.0.116-0ubuntu1~22.04.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6006-1
CVE-2023-28260
Package Information:
https://launchpad.net/ubuntu/+source/dotnet6/6.0.116-0ubuntu1~22.10.1
https://launchpad.net/ubuntu/+source/dotnet7/7.0.105-0ubuntu1~22.10.1
https://launchpad.net/ubuntu/+source/dotnet6/6.0.116-0ubuntu1~22.04.1
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