Vulnerability-Lookup

GHSA-WP2J-2549-FWHP

Vulnerability from github – Published: 2022-05-24 17:30 – Updated: 2022-05-24 17:30

Details

A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-8223"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-10-05T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.",
  "id": "GHSA-wp2j-2549-fwhp",
  "modified": "2022-05-24T17:30:06Z",
  "published": "2022-05-24T17:30:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8223"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/889243"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA"
    },
    {
      "type": "WEB",
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-8223 (GCVE-0-2020-8223)

Vulnerability from cvelistv5 – Published: 2020-10-05 13:16 – Updated: 2024-08-04 09:56

Summary

A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.

Severity

No CVSS data available.

CWE

CWE-269 - Improper Privilege Management (CWE-269)

Assigner

hackerone mitre root

References

4 references

URL	Tags
https://hackerone.com/reports/889243	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

1 product

Vendor	Product	Version
n/a	Nextcloud Server	Affected: Fixed in 19.0.1

Show details on NVD website

JSON

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            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-029"
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    "dateReserved": "2020-01-28T00:00:00.000Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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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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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GHSA-WP2J-2549-FWHP

CVE-2020-8223 (GCVE-0-2020-8223)

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