Headline
Ubuntu Security Notice USN-6693-1
Ubuntu Security Notice 6693-1 - 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.
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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
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# Microsoft Security Advisory CVE-2024-21392: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A vulnerability exists in .NET where specially crafted requests may cause a resource leak, leading to a Denial of Service ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/299 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 7.0.16 or earlier. * Any .NET 8.0 application running on .NET 8.0.2 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability ...