Vulnerability-Lookup

VAR-201803-1708

Vulnerability from variot - Updated: 2023-12-18 14:05

.NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core Denial of Service Vulnerability". Microsoft .NET is prone to a denial-of-service vulnerability. Successful exploits will attackers to cause performance to degrade resulting in a denial of service condition. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1

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

Synopsis: Low: .NET Core on Red Hat Enterprise Linux security update Advisory ID: RHSA-2018:0522-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:0522 Issue date: 2018-03-14 CVE Names: CVE-2018-0875 =====================================================================

Summary:

Updates for rh-dotnet20-dotnet, rh-dotnetcore10-dotnetcore, and rh-dotnetcore11-dotnetcore are now available for .NET Core on Red Hat Enterprise Linux.

Red Hat Product Security has rated this update as having a security impact of Low. 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

It implements a subset of the .NET framework APIs and includes a CLR implementation.

These correspond to the March 2018 security release by .NET Core upstream projects.

Security Fix(es):

.NET Core: Hash Collision Denial of Service (CVE-2018-0875)

Red Hat would like to thank Ben Adams (Illyriad Games) for reporting this issue.

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.

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

Package List:

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

Source: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source: rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm

x86_64: rh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm

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

Source: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source: rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm

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

Source: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source: rh-dotnet20-dotnet-2.0.6-1.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-2018-0875 https://access.redhat.com/security/updates/classification/#low

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": ".NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka \".NET Core Denial of Service Vulnerability\". Microsoft .NET is prone to a denial-of-service vulnerability. \nSuccessful exploits will attackers to cause performance to degrade resulting in a denial of service condition. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Low: .NET Core on Red Hat Enterprise Linux security update\nAdvisory ID:       RHSA-2018:0522-01\nProduct:           .NET Core on Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2018:0522\nIssue date:        2018-03-14\nCVE Names:         CVE-2018-0875 \n=====================================================================\n\n1. Summary:\n\nUpdates for rh-dotnet20-dotnet, rh-dotnetcore10-dotnetcore, and\nrh-dotnetcore11-dotnetcore are now available for .NET Core on Red Hat\nEnterprise Linux. \n\nRed Hat Product Security has rated this update as having a security impact\nof Low. 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. It implements a subset of the\n.NET framework APIs and includes a CLR implementation. \n\nThese correspond to the March 2018 security release by .NET Core upstream\nprojects. \n\nSecurity Fix(es):\n\n* .NET Core: Hash Collision Denial of Service (CVE-2018-0875)\n\nRed Hat would like to thank Ben Adams (Illyriad Games) for reporting this\nissue. \n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, and other related information, refer to the CVE page(s) listed in\nthe 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. Package List:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm\nrh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm\nrh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet20-dotnet-2.0.6-1.el7.src.rpm\n\nx86_64:\nrh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm\nrh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm\nrh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet20-dotnet-2.0.6-1.el7.src.rpm\n\nx86_64:\nrh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm\nrh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm\n\nx86_64:\nrh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm\nrh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet20-dotnet-2.0.6-1.el7.src.rpm\n\nx86_64:\nrh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm\nrh-dotnet20-dotnet-sdk-2.1-2.1.101-1.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-2018-0875\nhttps://access.redhat.com/security/updates/classification/#low\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 2018 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n\niD8DBQFaqUTsXlSAg2UNWIIRAuzUAKCDhqW/mE1ZwG1Bv9JVc2oVTo7cngCfUnVc\nslFh/sAwzwax82xICfw1G1M=\n=37s1\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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CVE-2018-0875 (GCVE-0-2018-0875)

Vulnerability from cvelistv5 – Published: 2018-03-14 17:00 – Updated: 2024-09-16 17:33

Summary

Severity

No CVSS data available.

CWE

Denial of Service

Assigner

microsoft mitre root Scorecard

References

4 references

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/103225	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1040505	vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:0522	vendor-advisoryx_refsource_REDHAT

Impacted products

1 product

Vendor	Product	Version
Microsoft Corporation	.NET Core	Affected: .NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core Denial of Service Vulnerability".

Date Public

2018-03-14 00:00

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-201803-1708

CVE-2018-0875 (GCVE-0-2018-0875)

Tags

Sightings

Nomenclature

Related by attack behaviour