==========================================================================
Ubuntu Security Notice USN-6693-1
March 12, 2024

dotnet7, dotnet8 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS

Summary:

.NET could be made to crash if it processed specially crafted requests.

Software Description:
- dotnet7: .NET CLI tools and runtime
- dotnet8: .NET CLI tools and runtime

Details:

It was discovered that .NET did not properly handle certain specially
crafted requests. An attacker could potentially use this issue to cause
a resource leak, leading to a denial of service.

Update instructions:

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

Ubuntu 23.10:
   aspnetcore-runtime-7.0      7.0.117-0ubuntu1~23.10.1
   aspnetcore-runtime-8.0      8.0.3-0ubuntu1~23.10.1
   dotnet-runtime-7.0              7.0.117-0ubuntu1~23.10.1
   dotnet-runtime-8.0              8.0.3-0ubuntu1~23.10.1
   dotnet7                                  7.0.117-0ubuntu1~23.10.1
   dotnet8 8.0.103-8.0.3-0ubuntu1~23.10.1

Ubuntu 22.04 LTS:
   aspnetcore-runtime-7.0      7.0.117-0ubuntu1~22.04.1
   aspnetcore-runtime-8.0      8.0.3-0ubuntu1~22.04.1
   dotnet-runtime-7.0              7.0.117-0ubuntu1~22.04.1
   dotnet-runtime-8.0              8.0.3-0ubuntu1~22.04.1
   dotnet7                                  7.0.117-0ubuntu1~22.04.1
   dotnet8 8.0.103-8.0.3-0ubuntu1~22.04.1

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

References:
   https://ubuntu.com/security/notices/USN-6693-1
   CVE-2024-21392

Package Information:
https://launchpad.net/ubuntu/+source/dotnet7/7.0.117-0ubuntu1~23.10.1
https://launchpad.net/ubuntu/+source/dotnet8/8.0.103-8.0.3-0ubuntu1~23.10.1
https://launchpad.net/ubuntu/+source/dotnet7/7.0.117-0ubuntu1~22.04.1
https://launchpad.net/ubuntu/+source/dotnet8/8.0.103-8.0.3-0ubuntu1~22.04.1

Ubuntu 6693-1: .NET vulnerability

March 12, 2024
.NET could be made to crash if it processed specially crafted requests.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS Summary: .NET could be made to crash if it processed specially crafted requests. Software Description: - dotnet7: .NET CLI tools and runtime - dotnet8: .NET CLI tools and runtime Details: It was discovered that .NET did not properly handle certain specially crafted requests. An attacker could potentially use this issue to cause a resource leak, leading to a denial of service.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10:   aspnetcore-runtime-7.0      7.0.117-0ubuntu1~23.10.1   aspnetcore-runtime-8.0      8.0.3-0ubuntu1~23.10.1   dotnet-runtime-7.0              7.0.117-0ubuntu1~23.10.1   dotnet-runtime-8.0              8.0.3-0ubuntu1~23.10.1   dotnet7                                  7.0.117-0ubuntu1~23.10.1   dotnet8 8.0.103-8.0.3-0ubuntu1~23.10.1 Ubuntu 22.04 LTS:   aspnetcore-runtime-7.0      7.0.117-0ubuntu1~22.04.1   aspnetcore-runtime-8.0      8.0.3-0ubuntu1~22.04.1   dotnet-runtime-7.0              7.0.117-0ubuntu1~22.04.1   dotnet-runtime-8.0              8.0.3-0ubuntu1~22.04.1   dotnet7                                  7.0.117-0ubuntu1~22.04.1   dotnet8 8.0.103-8.0.3-0ubuntu1~22.04.1 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6693-1

  CVE-2024-21392

Severity
Ubuntu Security Notice USN-6693-1

Package Information

https://launchpad.net/ubuntu/+source/dotnet7/7.0.117-0ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/dotnet8/8.0.103-8.0.3-0ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/dotnet7/7.0.117-0ubuntu1~22.04.1 https://launchpad.net/ubuntu/+source/dotnet8/8.0.103-8.0.3-0ubuntu1~22.04.1

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