WID-SEC-W-2023-2032
Vulnerability from csaf_certbund - Published: 2023-08-09 22:00 - Updated: 2023-08-09 22:00Summary
Nextcloud: Mehrere Schwachstellen
Severity
Hoch
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: Nextcloud ist eine "on-premise" Plattform für Dateifreigabe und Zusammenarbeit.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um einen Denial of Service zu verursachen, Sicherheitsvorkehrungen zu umgehen und Informationen offenzulegen.
Betroffene Betriebssysteme: - UNIX
- Linux
- Windows
- Android
- Sonstiges
References
12 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"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": "Nextcloud ist eine \"on-premise\" Plattform f\u00fcr Dateifreigabe und Zusammenarbeit.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um einen Denial of Service zu verursachen, Sicherheitsvorkehrungen zu umgehen und Informationen offenzulegen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- UNIX\n- Linux\n- Windows\n- Android\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-2023-2032 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2032.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-2032 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2032"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xwxx-2752-w3xm"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qhgm-w4gx-gvgp"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6g88-37x7-4vw6"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xx3h-v363-q36j"
},
{
"category": "external",
"summary": "Nextcloud Security Advisory vom 2023-08-09",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-cq8w-v4fh-4rjq"
}
],
"source_lang": "en-US",
"title": "Nextcloud: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2023-08-09T22:00:00.000+00:00",
"generator": {
"date": "2026-07-16T16:51:44.883+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2023-2032",
"initial_release_date": "2023-08-09T22:00:00.000+00:00",
"revision_history": [
{
"date": "2023-08-09T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c user_oidc 1.3.3",
"product": {
"name": "Nextcloud Nextcloud \u003c user_oidc 1.3.3",
"product_id": "T029233",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:user_oidc_1.3.3"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Notes 4.8.0",
"product": {
"name": "Nextcloud Nextcloud \u003c Notes 4.8.0",
"product_id": "T029234",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:notes_4.8.0"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Talk Android 17.0.0",
"product": {
"name": "Nextcloud Nextcloud \u003c Talk Android 17.0.0",
"product_id": "T029235",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:talk_android_17.0.0"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Server 25.0.9",
"product": {
"name": "Nextcloud Nextcloud \u003c Server 25.0.9",
"product_id": "T029236",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:server_25.0.9"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Server 26.0.4",
"product": {
"name": "Nextcloud Nextcloud \u003c Server 26.0.4",
"product_id": "T029237",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:server_26.0.4"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Server 27.0.1",
"product": {
"name": "Nextcloud Nextcloud \u003c Server 27.0.1",
"product_id": "T029238",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:server_27.0.1"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 19.0.13.10",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 19.0.13.10",
"product_id": "T029239",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_19.0.13.10"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 20.0.14.15",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 20.0.14.15",
"product_id": "T029240",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_20.0.14.15"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 21.0.9.13",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 21.0.9.13",
"product_id": "T029241",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_21.0.9.13"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 22.2.10.14",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 22.2.10.14",
"product_id": "T029242",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_22.2.10.14"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 23.0.12.9",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 23.0.12.9",
"product_id": "T029243",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_23.0.12.9"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 24.0.12.5",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 24.0.12.5",
"product_id": "T029244",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_24.0.12.5"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 25.0.9",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 25.0.9",
"product_id": "T029245",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_25.0.9"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 26.0.4",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 26.0.4",
"product_id": "T029246",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_26.0.4"
}
}
},
{
"category": "product_name",
"name": "Nextcloud Nextcloud \u003c Enterprise 27.0.1",
"product": {
"name": "Nextcloud Nextcloud \u003c Enterprise 27.0.1",
"product_id": "T029247",
"product_identification_helper": {
"cpe": "cpe:/a:nextcloud:nextcloud:enterprise_27.0.1"
}
}
}
],
"category": "product_name",
"name": "Nextcloud"
}
],
"category": "vendor",
"name": "Nextcloud"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-39963",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39963"
},
{
"cve": "CVE-2023-39962",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39962"
},
{
"cve": "CVE-2023-39961",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39961"
},
{
"cve": "CVE-2023-39959",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39959"
},
{
"cve": "CVE-2023-39958",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39958"
},
{
"cve": "CVE-2023-39957",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39957"
},
{
"cve": "CVE-2023-39955",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39955"
},
{
"cve": "CVE-2023-39954",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39954"
},
{
"cve": "CVE-2023-39953",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39953"
},
{
"cve": "CVE-2023-39952",
"release_date": "2023-08-09T22:00:00.000+00:00",
"title": "CVE-2023-39952"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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