Use-after-free in .NET and Visual Studio - CVE-2024-35264

Vulnerability identifier: #VU94041

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-35264

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in .NET and Visual Studio. A remote attacker can win a race condition and execute arbitrary code on the target system.

.NET
Visual Studio
Oracle Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for IBM z Systems
Ubuntu
Red Hat OpenShift Dev Spaces
dotnet-runtime-6.0 (Ubuntu package)
aspnetcore-runtime-6.0 (Ubuntu package)
dotnet-host (Ubuntu package)
dotnet-hostfxr-6.0 (Ubuntu package)
dotnet-sdk-6.0 (Ubuntu package)
dotnet6 (Ubuntu package)
dotnet-host-8.0 (Ubuntu package)
dotnet-hostfxr-8.0 (Ubuntu package)
dotnet-runtime-8.0 (Ubuntu package)
aspnetcore-runtime-8.0 (Ubuntu package)
dotnet-sdk-8.0 (Ubuntu package)
dotnet8.0 (Red Hat package)
dotnet8 (Ubuntu package)

Install updates from vendor's website.

Red Hat OpenShift Dev Spaces - update to 3.15.0
dotnet-runtime-6.0 (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
aspnetcore-runtime-6.0 (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
dotnet-host (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
dotnet-hostfxr-6.0 (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
dotnet-sdk-6.0 (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
dotnet6 (Ubuntu package) - addressed in versions 6.0.132-0ubuntu1~22.04.1, 6.0.132-0ubuntu1~23.10.1
dotnet-host-8.0 (Ubuntu package) - addressed in versions 8.0.7-0ubuntu1~22.04.1, 8.0.7-0ubuntu1~23.10.1, 8.0.7-0ubuntu1~24.04.1
dotnet-hostfxr-8.0 (Ubuntu package) - addressed in versions 8.0.7-0ubuntu1~22.04.1, 8.0.7-0ubuntu1~23.10.1, 8.0.7-0ubuntu1~24.04.1
dotnet-runtime-8.0 (Ubuntu package) - addressed in versions 8.0.7-0ubuntu1~22.04.1, 8.0.7-0ubuntu1~23.10.1, 8.0.7-0ubuntu1~24.04.1
aspnetcore-runtime-8.0 (Ubuntu package) - addressed in versions 8.0.7-0ubuntu1~22.04.1, 8.0.7-0ubuntu1~23.10.1, 8.0.7-0ubuntu1~24.04.1
dotnet-sdk-8.0 (Ubuntu package) - addressed in versions 8.0.107-0ubuntu1~22.04.1, 8.0.107-0ubuntu1~23.10.1, 8.0.107-0ubuntu1~24.04.1
dotnet8.0 (Red Hat package) - addressed in versions 8.0.107-1.el8_10, 8.0.107-1.el9_4
dotnet8 (Ubuntu package) - addressed in versions 8.0.107-8.0.7-0ubuntu1~22.04.1, 8.0.107-8.0.7-0ubuntu1~23.10.1, 8.0.107-8.0.7-0ubuntu1~24.04.1

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-35264

• Multiple vulnerabilities in Microsoft .NET and Visual Studio
• Ubuntu update for dotnet6
• Red Hat Enterprise Linux 9 update for dotnet8.0
• Red Hat Enterprise Linux 8 update for dotnet8.0
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in Red Hat OpenShift Dev Spaces