Vulnerability-Lookup

VAR-202005-0134

Vulnerability from variot - Updated: 2023-12-18 12:49

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'. (DoS) Vulnerability exists. Microsoft Visual Studio is a series of development tool suite products and a basic and complete development tool set. It includes most of the tools needed throughout the software life cycle. The framework is used to build cloud-based applications such as Web applications, Internet of Things applications, and mobile backends. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

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

Synopsis: Important: .NET Core on Red Hat Enterprise Linux security and bug fix update Advisory ID: RHSA-2020:2249-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2249 Issue date: 2020-05-21 CVE Names: CVE-2020-1108 CVE-2020-1161 =====================================================================

Summary:

An update for 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 Important. 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 3.1.104 and .NET Core Runtime 3.1.4.

Security Fix(es):

dotnet: Denial of service via untrusted input (CVE-2020-1108)
dotnet: Denial of service due to infinite loop (CVE-2020-1161)

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

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

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

1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input 1827645 - CVE-2020-1161 dotnet: Denial of service due to infinite loop

Package List:

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

Source: rh-dotnet31-dotnet-3.1.104-2.el7.src.rpm

x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm rh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.104-2.el7.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.104-2.el7.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.104-2.el7.x86_64.rpm

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

Source: rh-dotnet31-dotnet-3.1.104-2.el7.src.rpm

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

Source: rh-dotnet31-dotnet-3.1.104-2.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-2020-1108 https://access.redhat.com/security/cve/CVE-2020-1161 https://access.redhat.com/security/updates/classification/#important

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 denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka \u0027ASP.NET Core Denial of Service Vulnerability\u0027. (DoS) Vulnerability exists. Microsoft Visual Studio is a series of development tool suite products and a basic and complete development tool set. It includes most of the tools needed throughout the software life cycle. The framework is used to build cloud-based applications such as Web applications, Internet of Things applications, and mobile backends. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Important: .NET Core on Red Hat Enterprise Linux security and bug fix update\nAdvisory ID:       RHSA-2020:2249-01\nProduct:           .NET Core on Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2020:2249\nIssue date:        2020-05-21\nCVE Names:         CVE-2020-1108 CVE-2020-1161 \n=====================================================================\n\n1. Summary:\n\nAn update for rh-dotnet31-dotnet is now available for .NET Core on Red Hat\nEnterprise Linux 7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the 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 3.1.104 and .NET Core\nRuntime 3.1.4. \n\nSecurity Fix(es):\n\n* dotnet: Denial of service via untrusted input (CVE-2020-1108)\n* dotnet: Denial of service due to infinite loop (CVE-2020-1161)\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 issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input\n1827645 - CVE-2020-1161 dotnet: Denial of service due to infinite loop\n\n6. Package List:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.104-2.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.104-2.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.104-2.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.104-2.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet31-dotnet-3.1.104-2.el7.src.rpm\n\nx86_64:\nrh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-runtime-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-sdk-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm\nrh-dotnet31-dotnet-templates-3.1-3.1.104-2.el7.x86_64.rpm\nrh-dotnet31-netstandard-targeting-pack-2.1-3.1.104-2.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-2020-1108\nhttps://access.redhat.com/security/cve/CVE-2020-1161\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2020 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n\niQIVAwUBXsaf4tzjgjWX9erEAQjTHA//daLObmVWkk7wO3loCqPQJgXiuyshm1Jj\n2pXg1tT24AQE2lGzOts8f7HjpCC60LeSAXLQseKlmZ7Nrdhi/KE8dFto3JhcBp0n\nfjFHoImjPgz5cIOWU94LS9H3ST9Ih+kL9b9o4DIRff6/KlpWEvdfoMejgaNl4zjW\nYV+ozpiDxmvOo0OudxMgFiw17iSUO28a3HZqLBz+DE/7+2RY8irLGVyYo/0XVpz0\nmnbkDWcue4wJmDcQzrtsSSLm2L3m3CIHGF4kJ+C3QdSdtOQchHG3Y9XtkeEEIWz8\nuHE+gkfRU9Nm+cw+4QMW7o0b1mwX329oyd+1O5D/KeaJ6ABM8yfihEfmVxSpCGW1\n4+qSjDNeauC+c/Rm0jBtWRQCct/XJQbBrqii05dlarA9a+YHiBeIkDt5U46Y0/FD\nCcAsZtyf1Zfe8DyTFMsEQ5DDltudbRgguTbEmMBEeOOkmZFQE7aSI5veeWuUuxqs\nUIjckIgUN7MWYtm8Fq4KMOJe5l4uYwY3T3G6r8AxxJs1PLokuYvT7CHTkjPg9hEG\nDv4J3fkzD9rybvaZUDkTDDLgGoK3zHSlcYlRAEwLT9aN2pCF0PyHYnZtsdz93oEP\ntyddvt2olVLDsJBkYlTvwRBVNLTzv7Uj4qFUJqW4LjhtGpHZvld60Gf7xh8ooqv7\ng8PwL1mfJdI=\n=8ZmH\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n",
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    "trust": 0.6
  }
}

CVE-2020-1161 (GCVE-0-2020-1161)

Vulnerability from cvelistv5 – Published: 2020-05-21 22:53 – Updated: 2026-08-19 16:34

Title

ASP.NET Core Denial of Service Vulnerability

Summary

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.

Severity

No CVSS data available.

CWE

Denial of Service

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 2679 records in the last 180 days details

References

2 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISCx_transferred

Impacted products

5 products

Vendor	Product	Version
Microsoft	ASP.NET Core 3.1	Affected: 3.0 , < publication (custom)
Microsoft	Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)	Affected: 15.9.0 , < publication (custom)
Microsoft	Microsoft Visual Studio 2019 version 16.0	Affected: 16.0 , < publication (custom)
Microsoft	Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)	Affected: 16.0 , < publication (custom)
Microsoft	Microsoft Visual Studio 2019 version 16.5	Affected: 16.0 , < publication (custom)

Date Public

2020-05-12 14:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202005-0134

CVE-2020-1161 (GCVE-0-2020-1161)

Tags

Sightings

Nomenclature

Related by attack behaviour