Untrusted search path in .NET and Visual Studio allows an unauthorized attacker to execute code over a network.

redhat RHSA-2025:8816: RHSA-2025:8816: .NET 9.0 security update (Important)

redhat RHSA-2025:8813: RHSA-2025:8813: .NET 8.0 security update (Important)

redhat RHSA-2025:8812: RHSA-2025:8812: .NET 8.0 security update (Important)

redhat RHSA-2025:8814: RHSA-2025:8814: .NET 8.0 security update (Important)

redhat RHSA-2025:8815: RHSA-2025:8815: .NET 9.0 security update (Important)

redhat RHSA-2025:8817: RHSA-2025:8817: .NET 9.0 security update (Important)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-8817 advisory.

    [9.0.107-1.0.1]
    - Add support for Oracle Linux

    [9.0.107-1]
    - Update to .NET SDK 9.0.107 and Runtime 9.0.6
    - Resolves: RHEL-94424

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by a vulnerability as referenced in the USN-7563-1 advisory.

    It was discovered that .NET did not properly validate search path in Microsoft.NETCore.App.Runtime. An     attacker could possibly use this issue to execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:8813 advisory.

    * dotnet: .NET Remote Code Vulnerability (CVE-2025-30399)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:8817 advisory.

    * dotnet: .NET Remote Code Vulnerability (CVE-2025-30399)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:8812 advisory.

    * dotnet: .NET Remote Code Vulnerability (CVE-2025-30399)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Microsoft Visual Studio Products are missing security updates. They are, therefore, affected by multiple vulnerabilities, including:

  - Untrusted search path in .NET and Visual Studio allows an unauthorized attacker to execute code over a     network. (CVE-2025-30399)

  - Improper neutralization of special elements used in a command ('command injection') in Visual Studio allows an     authorized attacker to execute code over a network.. (CVE-2025-47959)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-8815 advisory.

    [9.0.107-1.0.1]
    - Add support for Oracle Linux

    [9.0.107-1]
    - Update to .NET SDK 9.0.107 and Runtime 9.0.6
    - Resolves: RHEL-94422

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-8812 advisory.

    [8.0.117-1.0.1]
    - Add support for Oracle Linux

    [8.0.117-1]
    - Update to .NET SDK 8.0.117 and Runtime 8.0.17
    - Resolves: RHEL-94415

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-8813 advisory.

    [8.0.117-1.0.1]
    - Add support for Oracle Linux

    [8.0.117-1]
    - Update to .NET SDK 8.0.117 and Runtime 8.0.17
    - Resolves: RHEL-94420

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the vendor advisory.

  - .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2025-30399)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
238442	Oracle Linux 9 : .NET / 9.0 (ELSA-2025-8817)	Nessus	Oracle Linux Local Security Checks	high
238437	Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : .NET vulnerability (USN-7563-1)	Nessus	Ubuntu Local Security Checks	high
238436	AlmaLinux 9 : .NET 8.0 (ALSA-2025:8813)	Nessus	Alma Linux Local Security Checks	high
238346	AlmaLinux 9 : .NET 9.0 (ALSA-2025:8817)	Nessus	Alma Linux Local Security Checks	high
238342	AlmaLinux 8 : .NET 8.0 (ALSA-2025:8812)	Nessus	Alma Linux Local Security Checks	high
238333	Security Updates for Microsoft Visual Studio 2022 Products (June 2025)	Nessus	Windows : Microsoft Bulletins	high
238323	Oracle Linux 8 : .NET / 9.0 (ELSA-2025-8815)	Nessus	Oracle Linux Local Security Checks	high
238322	Oracle Linux 8 : .NET / 8.0 (ELSA-2025-8812)	Nessus	Oracle Linux Local Security Checks	high
238295	Oracle Linux 9 : .NET / 8.0 (ELSA-2025-8813)	Nessus	Oracle Linux Local Security Checks	high
238082	Security Update for Microsoft .NET Core (June 2025)	Nessus	Windows	high

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