An update of the dotnet package has been released.

The remote Windows host has an installation of .NET Core SDK with a version of 1.x < 1.1.13 or 2.1.x < 2.1.505. Therefore, the host is affected by a tampering vulnerability with in the NuGet Package Manager. An authenticated, attacker can exploit this, via manipulating the folder contents prior to building or installing a application, to modify files and folders after unpacking.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:0544 advisory.

    .NET Core is a managed-software framework. It implements the .NET standard APIs and several additional     APIs, and it includes a CLR implementation.

    New versions of .NET Core that address security vulnerabilities are now available. The updated versions     are .NET Core 1.0.15, 1.1.12, 2.1.9, and 2.2.3.

    Security Fix(es):

    * A tampering vulnerability exists in NuGet software when executed in a Linux or Mac environment.
    (CVE-2019-0757)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    For more information, please refer to the upstream doc in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1259 advisory.

    .NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several     new APIs, and it includes a CLR implementation.

    A new version of .NET Core that address security vulnerabilities is now available. The updated version is     .NET Core Runtime 2.1.11 and SDK 2.1.507.

    Security Fix(es):

    * dotnet: NuGet Tampering Vulnerability (CVE-2019-0757)

    * dotnet: timeouts for regular expressions are not enforced (CVE-2019-0820)

    * dotnet: infinite loop in URI.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0980)

    * dotnet: crash in IPAddress.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0981)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * dotnet: new SocketException((int)SocketError.InvalidArgument).Message is empty (BZ#1712471)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 multiple vulnerabilities as referenced in the ELSA-2019-1259 advisory.

    [2.1.507-2]
    - Link against strerror_r correctly
    - Resolves: RHBZ#1712471

    [2.1.507-1]
    - Update to .NET Core Runtime 2.1.11 and SDK 2.1.507
    - Resolves: RHBZ#1710068

    [2.1.506-1]
    - Update to .NET Core Runtime 2.1.10 and SDK 2.1.506
    - Resolves: RHBZ#1696836

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

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

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2019:1259 advisory.

  - dotnet: NuGet Tampering Vulnerability (CVE-2019-0757)

  - dotnet: timeouts for regular expressions are not enforced (CVE-2019-0820)

  - dotnet: infinite loop in Uri.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0980)

  - dotnet: crash in IPAddress.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0981)

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	Published	Updated	Severity
237067	Photon OS 4.0: Dotnet PHSA-2025-4.0-0804	Nessus	PhotonOS Local Security Checks	5/22/2025	6/13/2025	high
122778	Security Update for .NET Core SDK (March 2019)	Nessus	Windows	3/12/2019	1/17/2020	medium
122886	RHEL 7 : .NET Core on Red Hat Enterprise Linux security update for March 2019 (Important) (RHSA-2019:0544)	Nessus	Red Hat Local Security Checks	3/18/2019	11/6/2024	medium
125347	RHEL 8 : dotnet (RHSA-2019:1259)	Nessus	Red Hat Local Security Checks	5/23/2019	3/21/2025	medium
127585	Oracle Linux 8 : dotnet (ELSA-2019-1259)	Nessus	Oracle Linux Local Security Checks	8/12/2019	10/22/2024	medium
145596	CentOS 8 : dotnet (CESA-2019:1259)	Nessus	CentOS Local Security Checks	1/29/2021	12/5/2022	medium

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