Input validation error in Microsoft .NET Core and Visual Studio - CVE-2022-23267

Vulnerability identifier: #VU62986

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-23267

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Microsoft .NET Core
Visual Studio
rh-dotnet31-dotnet (Red Hat package)
rh-dotnet50-dotnet (Red Hat package)
rh-dotnet60-dotnet (Red Hat package)
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
dotnet-targeting-pack-3.1
dotnet-runtime-3.1
dotnet-hostfxr-3.1
dotnet-apphost-pack-3.1
aspnetcore-targeting-pack-3.1
aspnetcore-runtime-3.1
dotnet3.1 (Red Hat package)
dotnet-templates-3.1
dotnet-sdk-3.1-source-built-artifacts
dotnet-sdk-3.1
dotnet-runtime-5.0
dotnet-targeting-pack-5.0
dotnet-hostfxr-5.0
dotnet-apphost-pack-5.0
aspnetcore-targeting-pack-5.0
aspnetcore-runtime-5.0
dotnet5.0 (Red Hat package)
dotnet-sdk-5.0
dotnet-sdk-5.0-source-built-artifacts
dotnet-templates-5.0
aspnetcore-targeting-pack-6.0
dotnet-apphost-pack-6.0
dotnet-host
dotnet-hostfxr-6.0
dotnet-runtime-6.0
dotnet-targeting-pack-6.0
aspnetcore-runtime-6.0
dotnet6.0 (Red Hat package)
dotnet6.0
dotnet
dotnet-sdk-6.0
dotnet-sdk-6.0-source-built-artifacts
dotnet-templates-6.0
netstandard-targeting-pack-2.1
Anolis OS
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for ARM 64
Oracle Linux
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Fedora
IBM Robotic Process Automation

Install updates from vendor's website.

rh-dotnet31-dotnet (Red Hat package) - update to 3.1.419-1.el7_9
rh-dotnet50-dotnet (Red Hat package) - update to 5.0.214-1.el7_9
rh-dotnet60-dotnet (Red Hat package) - update to 6.0.105-1.el7_9
dotnet-targeting-pack-3.1 - update to 3.1.25-1.0.1
dotnet-runtime-3.1 - update to 3.1.25-1.0.1
dotnet-hostfxr-3.1 - update to 3.1.25-1.0.1
dotnet-apphost-pack-3.1 - update to 3.1.25-1.0.1
aspnetcore-targeting-pack-3.1 - update to 3.1.25-1.0.1
aspnetcore-runtime-3.1 - update to 3.1.25-1.0.1
dotnet3.1 (Red Hat package) - update to 3.1.419-1.el8_6
dotnet-templates-3.1 - update to 3.1.419-1.0.1
dotnet-sdk-3.1-source-built-artifacts - update to 3.1.419-1.0.1
dotnet-sdk-3.1 - update to 3.1.419-1.0.1
dotnet-runtime-5.0 - update to 5.0.17-1.0.1
dotnet-targeting-pack-5.0 - update to 5.0.17-1.0.1
dotnet-hostfxr-5.0 - update to 5.0.17-1.0.1
dotnet-apphost-pack-5.0 - update to 5.0.17-1.0.1
aspnetcore-targeting-pack-5.0 - update to 5.0.17-1.0.1
aspnetcore-runtime-5.0 - update to 5.0.17-1.0.1
dotnet5.0 (Red Hat package) - update to 5.0.214-1.el8_6
dotnet-sdk-5.0 - update to 5.0.214-1.0.1
dotnet-sdk-5.0-source-built-artifacts - update to 5.0.214-1.0.1
dotnet-templates-5.0 - update to 5.0.214-1.0.1
aspnetcore-targeting-pack-6.0 - update to 6.0.5-1.0.1
dotnet-apphost-pack-6.0 - update to 6.0.5-1.0.1
dotnet-host - update to 6.0.5-1.0.1
dotnet-hostfxr-6.0 - update to 6.0.5-1.0.1
dotnet-runtime-6.0 - update to 6.0.5-1.0.1
dotnet-targeting-pack-6.0 - update to 6.0.5-1.0.1
aspnetcore-runtime-6.0 - update to 6.0.5-1.0.1
dotnet6.0 (Red Hat package) - addressed in versions 6.0.105-1.el8_6, 6.0.105-1.el9_0
dotnet6.0 - addressed in versions 6.0.105-1.fc34, 6.0.105-1.fc35, 6.0.105-1.fc36
dotnet - update to 6.0.105-1.0.1
dotnet-sdk-6.0 - update to 6.0.105-1.0.1
dotnet-sdk-6.0-source-built-artifacts - update to 6.0.105-1.0.1
dotnet-templates-6.0 - update to 6.0.105-1.0.1
netstandard-targeting-pack-2.1 - update to 6.0.105-1.0.1
IBM Robotic Process Automation - update to 21.0.3

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-23267

• Multiple vulnerabilities in Microsoft .NET and Visual Studio
• Red Hat Enterprise Linux 7 update for .NET Core 3.1
• Red Hat Enterprise Linux 7 update for .NET 6.0
• Red Hat Enterprise Linux 7 update for .NET 5.0
• Red Hat Enterprise Linux 8 update for .NET 6.0
• Red Hat Enterprise Linux 8 update for .NET 5.0
• Red Hat Enterprise Linux 8 update for .NET Core 3.1
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in IBM Robotic Process Automation for Cloud Pak
• Red Hat Enterprise Linux 9 update for .NET 6.0
• Fedora 34 update for dotnet6.0
• Fedora 35 update for dotnet6.0
• Fedora 36 update for dotnet6.0
• Anolis OS update for dotnet5.0
• Anolis OS update for dotnet3.1
• Anolis OS update for dotnet6.0