CERTFR-2022-AVI-083
Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans pkexec de PolicyKit sur Ubuntu. 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
Ubuntu Ubuntu Ubuntu versions 20.04 sans le correctif policykit-1 - 0.105-26ubuntu1.2
Ubuntu Ubuntu Ubuntu versions 16.04 sans le correctif policykit-1 - 0.105-14.1ubuntu0.5+esm1
Ubuntu Ubuntu Ubuntu versions 18.04 sans le correctif policykit-1 - 0.105-20ubuntu0.18.04.6
Ubuntu Ubuntu Ubuntu versions 21.10 sans le correctif policykit-1 - 0.105-31ubuntu0.1
Ubuntu Ubuntu Ubuntu versions 14.04 sans le correctif policykit-1 - 0.105-4ubuntu3.14.04.6+esm1
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Ubuntu versions 20.04 sans le correctif policykit-1 - 0.105-26ubuntu1.2",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu versions 16.04 sans le correctif policykit-1 - 0.105-14.1ubuntu0.5+esm1",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu versions 18.04 sans le correctif policykit-1 - 0.105-20ubuntu0.18.04.6",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu versions 21.10 sans le correctif policykit-1 - 0.105-31ubuntu0.1",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu versions 14.04 sans le correctif policykit-1 - 0.105-4ubuntu3.14.04.6+esm1",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "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-2021-4034",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4034"
    }
  ],
  "initial_release_date": "2022-01-27T00:00:00",
  "last_revision_date": "2022-01-27T00:00:00",
  "links": [],
  "reference": "CERTFR-2022-AVI-083",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2022-01-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans pkexec de PolicyKit sur Ubuntu.\nElle permet \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans pkexec de PolicyKit sur Ubuntu",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5252-2 du 25 janvier 2022",
      "url": "https://ubuntu.com/security/notices/USN-5252-2"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5252-1 du 25 janvier 2022",
      "url": "https://ubuntu.com/security/notices/USN-5252-1"
    }
  ]
}


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