Vulnerability-Lookup

RHSA-2018:3676

Vulnerability from csaf_redhat - Published: 2018-11-27 04:31 - Updated: 2025-11-21 18:07

Summary

Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security update

Severity

Moderate

Notes

Topic: An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

Details: .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 addresses a security vulnerability is now available. The updated version is .NET Core 2.1.5. Security Fix(es): * .NET Core: Arbitrary file and directory creation (CVE-2018-8416) For more information, please refer to the upstream docs in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2018-8416

A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.

5.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Vendor Fix For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2018:3676

References

URL

Category

	https://access.redhat.com/errata/RHSA-2018:3676	self
	https://access.redhat.com/security/updates/classi…	external
	https://portal.msrc.microsoft.com/en-US/security-…	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1649693	external
	https://security.access.redhat.com/data/csaf/v2/a…	self
	https://access.redhat.com/security/cve/CVE-2018-8416	self
	https://bugzilla.redhat.com/show_bug.cgi?id=1649693	external
	https://www.cve.org/CVERecord?id=CVE-2018-8416	external
	https://nvd.nist.gov/vuln/detail/CVE-2018-8416	external
	https://portal.msrc.microsoft.com/en-US/security-…	external

JSON

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          "product_id": "7Workstation-dotNET-2.1:rh-dotnet21-dotnet-sdk-2.1-0:2.1.500-5.el7.x86_64"
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      {
        "category": "default_component_of",
        "full_product_name": {
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-8416",
      "discovery_date": "2018-11-13T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1649693"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \".NET Core Tampering Vulnerability.\" This affects .NET Core 2.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Core: Arbitrary file and directory creation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2018-8416"
        },
        {
          "category": "external",
          "summary": "RHBZ#1649693",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1649693"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-8416",
          "url": "https://www.cve.org/CVERecord?id=CVE-2018-8416"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-8416",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-8416"
        },
        {
          "category": "external",
          "summary": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416",
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416"
        }
      ],
      "release_date": "2018-11-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2018-11-27T04:31:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
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      "threats": [
        {
          "category": "impact",
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        }
      ],
      "title": "Core: Arbitrary file and directory creation"
    }
  ]
}

CVE-2018-8416 (GCVE-0-2018-8416)

Vulnerability from cvelistv5 – Published: 2018-11-14 01:00 – Updated: 2024-08-05 06:54

Summary

A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.

Severity ?

No CVSS data available.

CWE

Tampering

Assigner

microsoft

References

URL

	Vendor	Product	Version
	Microsoft	.NET Core	Affected: 2.1

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2018:3676

CVE-2018-8416 (GCVE-0-2018-8416)

Tags

Sightings

Nomenclature