Vulnerability-Lookup

WID-SEC-W-2023-1467

Vulnerability from csaf_certbund - Published: 2023-06-13 22:00 - Updated: 2023-06-13 22:00

Summary

TeamViewer: Schwachstelle ermöglicht Manipulation der Konfiguration

Severity

Mittel

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: TeamViewer ist eine Fernzugriffs- und Fernsteuerungssoftware, die die Wartung von Computern und anderen Geräten ermöglicht.

Angriff: Ein lokaler Angreifer kann eine Schwachstelle in TeamViewer ausnutzen, um die Konfiguration zu manipulieren.

Betroffene Betriebssysteme: - Linux - Windows - Sonstiges

CVE-2023-0837

Es existiert eine Schwachstelle in TeamViewer. Benutzer können auf die grundlegenden Geräteeinstellungen zugreifen, auch wenn diese vom Administrator gesperrt wurden. Ein authentisierter Angreifer mit Zugriff auf das Gerät kann die Grundeinstellungen ändern, was zu unerwünschten Änderungen der Konfiguration führen kann.

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
TeamViewer TeamViewer 15.41 – 15.42.7 TeamViewer / TeamViewer	`cpe:/a:teamviewer:teamviewer:15.41__15.42.7`	—

References

3 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://www.teamviewer.com/en-us/trust-center/sec…	external

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": "TeamViewer ist eine Fernzugriffs- und Fernsteuerungssoftware, die die Wartung von Computern und anderen Ger\u00e4ten erm\u00f6glicht.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in TeamViewer ausnutzen, um die Konfiguration zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Windows\n- Sonstiges",
        "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-2023-1467 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1467.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1467 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1467"
      },
      {
        "category": "external",
        "summary": "TeamViewer Security Bulletin vom 2023-06-13",
        "url": "https://www.teamviewer.com/en-us/trust-center/security-bulletins/tv-2023-1001/"
      }
    ],
    "source_lang": "en-US",
    "title": "TeamViewer: Schwachstelle erm\u00f6glicht Manipulation der Konfiguration",
    "tracking": {
      "current_release_date": "2023-06-13T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:52:33.711+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1467",
      "initial_release_date": "2023-06-13T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-06-13T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "TeamViewer TeamViewer 15.41 \u2013 15.42.7",
                "product": {
                  "name": "TeamViewer TeamViewer 15.41 \u2013 15.42.7",
                  "product_id": "T028128",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:15.41__15.42.7"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "TeamViewer TeamViewer \u003c 15.42.8",
                "product": {
                  "name": "TeamViewer TeamViewer \u003c 15.42.8",
                  "product_id": "T028129",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:15.42.8"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "TeamViewer"
          }
        ],
        "category": "vendor",
        "name": "TeamViewer"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-0837",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in TeamViewer. Benutzer k\u00f6nnen auf die grundlegenden Ger\u00e4teeinstellungen zugreifen, auch wenn diese vom Administrator gesperrt wurden. Ein authentisierter Angreifer mit Zugriff auf das Ger\u00e4t kann die Grundeinstellungen \u00e4ndern, was zu unerw\u00fcnschten \u00c4nderungen der Konfiguration f\u00fchren kann."
        }
      ],
      "product_status": {
        "known_affected": [
          "T028128"
        ]
      },
      "release_date": "2023-06-13T22:00:00.000+00:00",
      "title": "CVE-2023-0837"
    }
  ]
}

CVE-2023-0837 (GCVE-0-2023-0837)

Vulnerability from cvelistv5 – Published: 2023-06-14 07:01 – Updated: 2025-01-02 20:43

Summary

An improper authorization check of local device settings in TeamViewer Remote between version 15.41 and 15.42.7 for Windows and macOS allows an unprivileged user to change basic local device settings even though the options were locked. This can result in unwanted changes to the configuration.

Severity

6.6 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-02 20:43 UTC

CWE

CWE-285 - Improper Authorization

Assigner

TV CNA

CNA scorecard B 81/100 over 10 records in the last 180 days details

References

1 reference

URL	Tags
https://www.teamviewer.com/en/trust-center/securi…

Impacted products

1 product

Vendor	Product	Version
TeamViewer	Remote	Affected: 15.41 , ≤ 15.42.7 (custom)

Show details on NVD website

JSON

To clipboard

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            "url": "https://www.teamviewer.com/en/trust-center/security-bulletins/tv-2023-1001/"
          }
        ],
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-02T20:43:44.628408Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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    ],
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          "platforms": [
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            "MacOS"
          ],
          "product": "Remote",
          "vendor": "TeamViewer",
          "versions": [
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              "status": "affected",
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              "versionType": "custom"
            }
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            }
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
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              "lang": "en",
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      "providerMetadata": {
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      "references": [
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    "datePublished": "2023-06-14T07:01:10.595Z",
    "dateReserved": "2023-02-15T10:56:02.504Z",
    "dateUpdated": "2025-01-02T20:43:52.542Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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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.

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