variot - var-202001-0123

var-202001-0123

Vulnerability from variot

A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'. Microsoft ASP.NET Core is a cross-platform open source framework from Microsoft Corporation in the United States. The framework is used to build cloud-based applications such as web applications, IoT applications, and mobile backends. The vulnerability stems from a program's inability to handle memory objects. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Critical: .NET Core on Red Hat Enterprise Linux security and bug fix update Advisory ID: RHSA-2020:0134-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0134 Issue date: 2020-01-16 CVE Names: CVE-2020-0602 CVE-2020-0603 ==================================================================== 1. Summary:

An update for rh-dotnet30-dotnet and rh-dotnet31-dotnet is now available for .NET Core on Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Relevant releases/architectures:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Description:

.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.

New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core SDK 3.0.102, .NET Core Runtime 3.0.2, .NET Core SDK 3.1.101 and .NET Core Runtime 3.1.1.

Security Fixes:

dotnet: Memory Corruption in SignalR (CVE-2020-0603)
dotnet: SignalR Denial of Service via backpressure issue (CVE-2020-0602)

Users must rebuild their applications to pick up the fixes.

Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes.

For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages listed in the References section.

Solution:

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Bugs fixed (https://bugzilla.redhat.com/):

1787151 - Update .NET Core 3.0 to Runtime 3.0.2 and SDK 3.0.102 1787174 - Update .NET Core 3.1 to Runtime 3.1.1 and SDK 3.1.101 1789623 - CVE-2020-0602 dotnet: Denial of service via backpressure issue 1789624 - CVE-2020-0603 dotnet: Memory Corruption in SignalR

Package List:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source: rh-dotnet30-dotnet-3.0.102-3.el7.src.rpm

x86_64: rh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-3.0.102-3.el7.x86_64.rpm rh-dotnet30-dotnet-apphost-pack-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-debuginfo-3.0.102-3.el7.x86_64.rpm rh-dotnet30-dotnet-host-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-hostfxr-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-runtime-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-sdk-3.0-3.0.102-3.el7.x86_64.rpm rh-dotnet30-dotnet-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm rh-dotnet30-dotnet-templates-3.0-3.0.102-3.el7.x86_64.rpm rh-dotnet30-netstandard-targeting-pack-2.1-3.0.102-3.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source: rh-dotnet31-dotnet-3.1.101-4.el7.src.rpm

x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-3.1.101-4.el7.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.101-4.el7.x86_64.rpm rh-dotnet31-dotnet-host-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.101-4.el7.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.101-4.el7.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.101-4.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source: rh-dotnet30-dotnet-3.0.102-3.el7.src.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source: rh-dotnet31-dotnet-3.1.101-4.el7.src.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source: rh-dotnet30-dotnet-3.0.102-3.el7.src.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source: rh-dotnet31-dotnet-3.1.101-4.el7.src.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

References:

https://access.redhat.com/security/cve/CVE-2020-0602 https://access.redhat.com/security/cve/CVE-2020-0603 https://access.redhat.com/security/updates/classification/#critical

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce

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    "data": "A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka \u0027ASP.NET Core Remote Code Execution Vulnerability\u0027. Microsoft ASP.NET Core is a cross-platform open source framework from Microsoft Corporation in the United States. The framework is used to build cloud-based applications such as web applications, IoT applications, and mobile backends. The vulnerability stems from a program\u0027s inability to handle memory objects. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Critical: .NET Core on Red Hat Enterprise Linux security and bug fix update\nAdvisory ID:       RHSA-2020:0134-01\nProduct:           .NET Core on Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2020:0134\nIssue date:        2020-01-16\nCVE Names:         CVE-2020-0602 CVE-2020-0603\n====================================================================\n1. Summary:\n\nAn update for rh-dotnet30-dotnet and rh-dotnet31-dotnet is now available\nfor .NET Core on Red Hat Enterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Critical. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64\n\n3. Description:\n\n.NET Core is a managed-software framework. It implements a subset of the\n.NET framework APIs and several new APIs, and it includes a CLR\nimplementation. \n\nNew versions of .NET Core that address security vulnerabilities are now\navailable. The updated versions are .NET Core SDK 3.0.102, .NET Core\nRuntime 3.0.2, .NET Core SDK 3.1.101 and .NET Core Runtime 3.1.1. \n\nSecurity Fixes:\n\n* dotnet: Memory Corruption in SignalR (CVE-2020-0603)\n\n* dotnet: SignalR Denial of Service via backpressure issue (CVE-2020-0602)\n\nUsers must rebuild their applications to pick up the fixes. \n\nDefault inclusions for applications built with .NET Core have been updated\nto reference the newest versions and their security fixes. \n\nFor more details about the security issues, including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npages listed in the References section. \n\n4. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1787151 - Update .NET Core 3.0 to Runtime 3.0.2 and SDK 3.0.102\n1787174 - Update .NET Core 3.1 to Runtime 3.1.1 and SDK 3.1.101\n1789623 - CVE-2020-0602 dotnet: Denial of service via backpressure issue\n1789624 - CVE-2020-0603 dotnet: Memory Corruption in SignalR\n\n6. Package List:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet30-dotnet-3.0.102-3.el7.src.rpm\n\nx86_64:\nrh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-apphost-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-debuginfo-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-host-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-hostfxr-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-sdk-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-templates-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-netstandard-targeting-pack-2.1-3.0.102-3.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.101-4.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.101-4.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet30-dotnet-3.0.102-3.el7.src.rpm\n\nx86_64:\nrh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-apphost-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-debuginfo-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-host-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-hostfxr-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-sdk-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-templates-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-netstandard-targeting-pack-2.1-3.0.102-3.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.101-4.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.101-4.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet30-dotnet-3.0.102-3.el7.src.rpm\n\nx86_64:\nrh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-apphost-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-debuginfo-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-host-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-hostfxr-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-runtime-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-sdk-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-targeting-pack-3.0-3.0.2-3.el7.x86_64.rpm\nrh-dotnet30-dotnet-templates-3.0-3.0.102-3.el7.x86_64.rpm\nrh-dotnet30-netstandard-targeting-pack-2.1-3.0.102-3.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.101-4.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.1-4.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.101-4.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.101-4.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2020-0602\nhttps://access.redhat.com/security/cve/CVE-2020-0603\nhttps://access.redhat.com/security/updates/classification/#critical\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. 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cve-2020-0603

Vulnerability from cvelistv5

Published

2020-01-14 23:11

Modified

2024-08-04 06:11

Severity ?

Summary

References

▼	URL	Tags
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0603	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2020:0130	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0134	vendor-advisory, x_refsource_REDHAT

Impacted products

▼	Vendor	Product
	Microsoft	ASP.NET Core

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

var-202001-0123

Vulnerability from variot

cve-2020-0603

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature