The remote Ubuntu 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7058-1 advisory.

    Brennan Conroy discovered that the .NET Kestrel web server did not properly handle closing HTTP/3 streams     under certain circumstances. An attacker could possibly use this issue to achieve remote code execution.
    This vulnerability only impacted .NET8. (CVE-2024-38229)

    It was discovered that .NET components designed to process malicious input were susceptible to hash     flooding attacks. An attacker could possibly use this issue to cause a denial of service, resulting in a     crash. (CVE-2024-43483)

    It was discovered that the .NET System.IO.Packaging namespace did not properly process SortedList data     structures. An attacker could possibly use this issue to cause a denial of service, resulting in a crash.
    (CVE-2024-43484)

    It was discovered that .NET did not properly handle the deserialization of of certain JSON properties. An     attacker could possibly use this issue to cause a denial of service, resulting in a crash.
    (CVE-2024-43485)

Tenable has extracted the preceding description block directly from the Ubuntu 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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-7869 advisory.

    [8.0.110-1.0.1]
    - Add support for Oracle Linux

    [8.0.110-1]
    - Update to .NET SDK 8.0.110 and Runtime 8.0.10
    - Resolves: RHEL-60800

    [8.0.109-1]
    - Update to .NET SDK 8.0.109 and Runtime 8.0.9
    - Resolves: RHEL-56679

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 AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:7868 advisory.

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)
    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:7868 advisory.

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

    New versions of .NET that address a security vulnerability are now available. The updated versions are     .NET SDK 8.0.110 and .NET Runtime 8.0.10.

    Security Fix(es):

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)

    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)

    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

    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.

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-2024-7868 advisory.

    [8.0.110-1.0.1]
    - Add support for Oracle Linux

    [8.0.110-1]
    - Update to .NET SDK 8.0.110 and Runtime 8.0.10
    - Resolves: RHEL-60794

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 version of .NET Core SDK installed on the remote host is 8.x prior to 8.0.10. It is, therefore, affected by remote code execution vulnerability as referenced in the October 2024 advisory:

  - .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2024-38229)

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the ALSA-2024:7869 advisory.

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)
    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:7868 advisory.

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)

    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)

    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

Tenable has extracted the preceding description block directly from the RockyLinux 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 RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:7869 advisory.

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)

    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)

    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

Tenable has extracted the preceding description block directly from the RockyLinux 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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:7869 advisory.

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

    New versions of .NET that address a security vulnerability are now available. The updated versions are     .NET SDK 8.0.110 and .NET Runtime 8.0.10.

    Security Fix(es):

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)
    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)
    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)
    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    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.Security Fix(es):

    * dotnet: System.IO.Packaging - Multiple DoS vectors in use of SortedList (CVE-2024-43484)

    * dotnet: Multiple .NET components susceptible to hash flooding (CVE-2024-43483)

    * dotnet: Denial of Service in System.Text.Json (CVE-2024-43485)

    * dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution     (CVE-2024-38229)

    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.

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

  - .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2024-38229)

  - .NET and Visual Studio Denial of Service Vulnerability     (CVE-2024-43483,CVE-2024-43484,CVE-2024-43485)

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

ID	Name	Product	Family	Published	Updated	Severity
208306	Ubuntu 22.04 LTS / 24.04 LTS : .NET vulnerabilities (USN-7058-1)	Nessus	Ubuntu Local Security Checks	10/8/2024	10/8/2024	high
208674	Oracle Linux 9 : .NET / 8.0 (ELSA-2024-7869)	Nessus	Oracle Linux Local Security Checks	10/10/2024	10/10/2024	high
208699	AlmaLinux 8 : .NET 8.0 (ALSA-2024:7868)	Nessus	Alma Linux Local Security Checks	10/10/2024	11/15/2024	high
208480	RHEL 8 : .NET 8.0 (RHSA-2024:7868)	Nessus	Red Hat Local Security Checks	10/9/2024	11/7/2024	high
208692	Oracle Linux 8 : .NET / 8.0 (ELSA-2024-7868)	Nessus	Oracle Linux Local Security Checks	10/10/2024	10/10/2024	high
208753	Security Update for Microsoft .NET Core SDK (CVE-2024-38229) (October 2024)	Nessus	Windows	10/11/2024	10/14/2024	high
208765	AlmaLinux 9 : .NET 8.0 (ALSA-2024:7869)	Nessus	Alma Linux Local Security Checks	10/11/2024	11/15/2024	high
209692	RockyLinux 8 : .NET 8.0 (RLSA-2024:7868)	Nessus	Rocky Linux Local Security Checks	10/25/2024	11/15/2024	high
209700	RockyLinux 9 : .NET 8.0 (RLSA-2024:7869)	Nessus	Rocky Linux Local Security Checks	10/25/2024	11/15/2024	high
208478	RHEL 9 : .NET 8.0 (RHSA-2024:7869)	Nessus	Red Hat Local Security Checks	10/9/2024	11/5/2024	high
208286	Security Update for Microsoft .NET Core (October 2024)	Nessus	Windows	10/8/2024	11/15/2024	high

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