Vulnerability-Lookup

WID-SEC-W-2024-0714

Vulnerability from csaf_certbund - Published: 2024-03-26 23:00 - Updated: 2024-11-24 23:00

Summary

TeamViewer: Schwachstelle ermöglicht Privilegieneskalation und DoS

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 seine Privilegien zu erhöhen oder eine Denial-of-Service-Bedingung zu verursachen.

Betroffene Betriebssysteme: - MacOS X

CVE-2024-1933

Es besteht eine Schwachstelle in TeamViewer. Dieser Fehler besteht in der Remote Client Komponente aufgrund eines unsicheren Umgang mit Symlinks. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszulösen oder seine Privilegien zu erweitern.

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
TeamViewer TeamViewer <15.52 TeamViewer / TeamViewer		<15.52

References

4 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/resources/trust-…	external
https://github.com/advisories/GHSA-j4mm-f543-fj92	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 seine Privilegien zu erh\u00f6hen oder eine Denial-of-Service-Bedingung zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- MacOS X",
        "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-2024-0714 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0714.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-0714 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0714"
      },
      {
        "category": "external",
        "summary": "TeamViewer Security Bulletin vom 2024-03-26",
        "url": "https://www.teamviewer.com/en-us/resources/trust-center/security-bulletins/tv-2024-1002/"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2024-03-26",
        "url": "https://github.com/advisories/GHSA-j4mm-f543-fj92"
      }
    ],
    "source_lang": "en-US",
    "title": "TeamViewer: Schwachstelle erm\u00f6glicht Privilegieneskalation und DoS",
    "tracking": {
      "current_release_date": "2024-11-24T23:00:00.000+00:00",
      "generator": {
        "date": "2024-11-25T12:11:39.514+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.8"
        }
      },
      "id": "WID-SEC-W-2024-0714",
      "initial_release_date": "2024-03-26T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-03-26T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-11-24T23:00:00.000+00:00",
          "number": "2",
          "summary": "Plattformauswahl angepasst"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c15.52",
                "product": {
                  "name": "TeamViewer TeamViewer \u003c15.52",
                  "product_id": "T033670"
                }
              },
              {
                "category": "product_version",
                "name": "15.52",
                "product": {
                  "name": "TeamViewer TeamViewer 15.52",
                  "product_id": "T033670-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:15.52"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "TeamViewer"
          }
        ],
        "category": "vendor",
        "name": "TeamViewer"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-1933",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in TeamViewer. Dieser Fehler besteht in der Remote Client Komponente aufgrund eines unsicheren Umgang mit Symlinks. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszul\u00f6sen oder seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "T033670"
        ]
      },
      "release_date": "2024-03-26T23:00:00.000+00:00",
      "title": "CVE-2024-1933"
    }
  ]
}

CVE-2024-1933 (GCVE-0-2024-1933)

Vulnerability from cvelistv5 – Published: 2024-03-26 12:47 – Updated: 2024-08-05 14:04

Title

Improper symlink resolution in TeamViewer Remote client for macOS

Summary

Insecure UNIX Symbolic Link (Symlink) Following in TeamViewer Remote Client prior Version 15.52 for macOS allows an attacker with unprivileged access, to potentially elevate privileges or conduct a denial-of-service-attack by overwriting the symlink.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 2024-08-02 19:35 UTC

CWE

CWE-61 - UNIX Symbolic Link (Symlink) Following

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/de/resources/trust-cen…

Impacted products

1 product

Vendor	Product	Version
TeamViewer	Remote Client	Affected: 0 , < 15.52 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:56:22.309Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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            "url": "https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2024-1002/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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              "content": {
                "id": "CVE-2024-1933",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-02T19:35:08.118253Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-05T14:04:34.250Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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          "defaultStatus": "unaffected",
          "platforms": [
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          "product": "Remote Client",
          "vendor": "TeamViewer",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
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      ],
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          "supportingMedia": [
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            }
          ],
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-61",
              "description": "CWE-61 UNIX Symbolic Link (Symlink) Following",
              "lang": "en",
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-26T12:47:11.238Z",
        "orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
        "shortName": "TV"
      },
      "references": [
        {
          "url": "https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2024-1002/"
        }
      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update to the latest version of TeamViewer Client for macOS (15.52 or higher)."
            }
          ],
          "value": "Update to the latest version of TeamViewer Client for macOS (15.52 or higher)."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Improper symlink resolution in TeamViewer Remote client for macOS",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
    "assignerShortName": "TV",
    "cveId": "CVE-2024-1933",
    "datePublished": "2024-03-26T12:47:11.238Z",
    "dateReserved": "2024-02-27T14:10:39.499Z",
    "dateUpdated": "2024-08-05T14:04:34.250Z",
    "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

Sightings and recorded dates, grouped by day · UTC

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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.
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