certfr_avis - certfr-2021-avi-521

CERTFR-2021-AVI-521

Vulnerability from certfr_avis

Une vulnérabilité a été corrigée dans Microsoft .Net. Elle permet à un attaquant de provoquer une élévation de privilèges.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

	Vendor	Product	Description
	Microsoft	N/A	.NET Education Bundle SDK Install Tool
	Microsoft	N/A	.NET Install Tool pour Extension Authors

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft du 14 juillet 2021

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": ".NET Education Bundle SDK Install Tool",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET Install Tool pour Extension Authors",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2021-34477",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-34477"
    }
  ],
  "initial_release_date": "2021-07-15T00:00:00",
  "last_revision_date": "2021-07-15T00:00:00",
  "links": [],
  "reference": "CERTFR-2021-AVI-521",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-07-15T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 corrig\u00e9e dans \u003cspan class=\"textit\"\u003eMicrosoft\n.Net\u003c/span\u003e. Elle permet \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de\nprivil\u00e8ges.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Microsoft .Net",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 14 juillet 2021",
      "url": "https://msrc.microsoft.com/update-guide/"
    }
  ]
}

CVE-2021-34477 (GCVE-0-2021-34477)

Vulnerability from cvelistv5

Published

2021-07-14 17:54

Modified

2024-08-04 00:12

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CWE

Elevation of Privilege

Summary

Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability

References

URL

Tags

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477

x_refsource_MISC

Impacted products

Vendor

Product

Version

Microsoft

.NET Education Bundle SDK Install Tool

Version: 0.0.0 < 1.2.0
cpe:2.3:a:microsoft:.net_education_bundle_sdk_install_tool:*:*:*:*:*:visual_studio_code:*:*

Microsoft

.NET Install Tool for Extension Authors

Version: 1.0.0 < 0.7.0
cpe:2.3:a:microsoft:.net_install_tool_for_extension_authors:*:*:*:*:*:visual_studio_code:*:*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:12:50.416Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net_education_bundle_sdk_install_tool:*:*:*:*:*:visual_studio_code:*:*"
          ],
          "platforms": [
            "Unknown"
          ],
          "product": ".NET Education Bundle SDK Install Tool",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "1.2.0",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net_install_tool_for_extension_authors:*:*:*:*:*:visual_studio_code:*:*"
          ],
          "platforms": [
            "Unknown"
          ],
          "product": ".NET Install Tool for Extension Authors",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "0.7.0",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-07-13T07:00:00+00:00",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en-US",
              "type": "Impact"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-28T22:37:18.307Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477"
        }
      ],
      "title": "Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2021-34477",
    "datePublished": "2021-07-14T17:54:06",
    "dateReserved": "2021-06-09T00:00:00",
    "dateUpdated": "2024-08-04T00:12:50.416Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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

CERTFR-2021-AVI-521

Vulnerability from certfr_avis

Solution

CVE-2021-34477 (GCVE-0-2021-34477)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature