csaf_certbund - WID-SEC-W-2022-2230

WID-SEC-W-2022-2230

Vulnerability from csaf_certbund

Published

2022-12-05 23:00

Modified

2022-12-06 23:00

Summary

Avast und AVG Antivirus: Schwachstelle ermöglicht Privilegieneskalation

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Avast ist ein Antivirus Produkt von der Firma ALWIL Software.

Angriff

Ein lokaler Angreifer kann eine Schwachstelle in Avast und AVG Antivirus ausnutzen, um seine Privilegien zu erhöhen.

Betroffene Betriebssysteme

- Linux - MacOS X - Windows

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Avast ist ein Antivirus Produkt von der Firma ALWIL Software.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Avast und AVG Antivirus ausnutzen, um seine Privilegien zu erh\u00f6hen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-2230 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-2230.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2230 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2230"
      },
      {
        "category": "external",
        "summary": "Norton Security Advisory vom 2022-12-05",
        "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Avast und AVG Antivirus: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2022-12-06T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:39:11.464+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-2230",
      "initial_release_date": "2022-12-05T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-12-05T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-12-06T23:00:00.000+00:00",
          "number": "2",
          "summary": "AVG Antivirus ebenfalls betroffen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "AVG Anti-Virus \u003c 22.10",
            "product": {
              "name": "AVG Anti-Virus \u003c 22.10",
              "product_id": "T025511",
              "product_identification_helper": {
                "cpe": "cpe:/a:avg:anti-virus:22.10"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "AVG"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Avast Antivirus \u003c 22.10",
            "product": {
              "name": "Avast Antivirus \u003c 22.10",
              "product_id": "T025498",
              "product_identification_helper": {
                "cpe": "cpe:/a:avast:avast_antivirus_free:22.10"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avast"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-4173",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Avast Antivirus. Der Fehler besteht in der Malware-Entfernungsfunktion. Ein lokaler Angreifer mit Schreibzugriff auf das Dateisystem kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion."
        }
      ],
      "release_date": "2022-12-05T23:00:00.000+00:00",
      "title": "CVE-2022-4173"
    }
  ]
}

CVE-2022-4173 (GCVE-0-2022-4173)

Vulnerability from cvelistv5

Published

2022-12-05 23:15

Modified

2025-04-14 17:57

Severity ?

7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-269 - Improper Privilege Management

Summary

A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.

References

▼	URL	Tags
	https://support.norton.com/sp/static/external/tools/security-advisories.html

Impacted products

	Vendor	Product	Version
	NortonLifeLock	Avast and AVG Antivirus	Version: 20.5 <

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:34:49.315Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-4173",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-14T15:59:05.508957Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-14T17:57:04.339Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Avast and AVG Antivirus",
          "vendor": "NortonLifeLock",
          "versions": [
            {
              "lessThanOrEqual": "22.9",
              "status": "affected",
              "version": "20.5",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-05T23:15:33.724Z",
        "orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e",
        "shortName": "NLOK"
      },
      "references": [
        {
          "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e",
    "assignerShortName": "NLOK",
    "cveId": "CVE-2022-4173",
    "datePublished": "2022-12-05T23:15:33.724Z",
    "dateReserved": "2022-11-29T00:57:05.463Z",
    "dateUpdated": "2025-04-14T17:57:04.339Z",
    "requesterUserId": "a89eadfe-7713-4641-b4d7-9b7a3717e63f",
    "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.
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.

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