USN-6217-1: .NET vulnerability

Releases

• Ubuntu 23.04
• Ubuntu 22.10
• Ubuntu 22.04 LTS

Packages

• dotnet6 - dotNET CLI tools and runtime
• dotnet7 - dotNET CLI tools and runtime

Details

McKee-Harris, Matt Cotterell, and Jack Moran discovered that .NET did
not properly update account lockout maximum failed attempts. An
attacker could possibly use this issue to bypass the security feature
and attempt to guess more passwords for an account.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.04

• aspnetcore-runtime-6.0 - 6.0.120-0ubuntu1~23.04.1
• dotnet-hostfxr-7.0 - 7.0.109-0ubuntu1~23.04.1
• dotnet-hostfxr-6.0 - 6.0.120-0ubuntu1~23.04.1
• dotnet-host - 6.0.120-0ubuntu1~23.04.1
• aspnetcore-runtime-7.0 - 7.0.109-0ubuntu1~23.04.1
• dotnet-sdk-6.0 - 6.0.120-0ubuntu1~23.04.1
• dotnet-sdk-7.0 - 7.0.109-0ubuntu1~23.04.1
• dotnet6 - 6.0.120-0ubuntu1~23.04.1
• dotnet7 - 7.0.109-0ubuntu1~23.04.1
• dotnet-runtime-7.0 - 7.0.109-0ubuntu1~23.04.1
• dotnet-runtime-6.0 - 6.0.120-0ubuntu1~23.04.1
• dotnet-host-7.0 - 7.0.109-0ubuntu1~23.04.1

Ubuntu 22.10

• aspnetcore-runtime-6.0 - 6.0.120-0ubuntu1~22.10.1
• dotnet-hostfxr-7.0 - 7.0.109-0ubuntu1~22.10.1
• dotnet-hostfxr-6.0 - 6.0.120-0ubuntu1~22.10.1
• dotnet-host - 6.0.120-0ubuntu1~22.10.1
• aspnetcore-runtime-7.0 - 7.0.109-0ubuntu1~22.10.1
• dotnet-sdk-6.0 - 6.0.120-0ubuntu1~22.10.1
• dotnet-sdk-7.0 - 7.0.109-0ubuntu1~22.10.1
• dotnet6 - 6.0.120-0ubuntu1~22.10.1
• dotnet7 - 7.0.109-0ubuntu1~22.10.1
• dotnet-runtime-7.0 - 7.0.109-0ubuntu1~22.10.1
• dotnet-runtime-6.0 - 6.0.120-0ubuntu1~22.10.1
• dotnet-host-7.0 - 7.0.109-0ubuntu1~22.10.1

Ubuntu 22.04

• aspnetcore-runtime-6.0 - 6.0.120-0ubuntu1~22.04.1
• dotnet-hostfxr-7.0 - 7.0.109-0ubuntu1~22.04.1
• dotnet-hostfxr-6.0 - 6.0.120-0ubuntu1~22.04.1
• dotnet-host - 6.0.120-0ubuntu1~22.04.1
• aspnetcore-runtime-7.0 - 7.0.109-0ubuntu1~22.04.1
• dotnet-sdk-6.0 - 6.0.120-0ubuntu1~22.04.1
• dotnet-sdk-7.0 - 7.0.109-0ubuntu1~22.04.1
• dotnet6 - 6.0.120-0ubuntu1~22.04.1
• dotnet7 - 7.0.109-0ubuntu1~22.04.1
• dotnet-runtime-7.0 - 7.0.109-0ubuntu1~22.04.1
• dotnet-runtime-6.0 - 6.0.120-0ubuntu1~22.04.1
• dotnet-host-7.0 - 7.0.109-0ubuntu1~22.04.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2023-33170