Vulnerability-Lookup

GHSA-JCHM-73F8-W72J

Vulnerability from github – Published: 2022-05-24 17:07 – Updated: 2022-05-24 17:07

Details

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.

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{
  "affected": [],
  "aliases": [
    "CVE-2019-15621"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-02-04T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.",
  "id": "GHSA-jchm-73f8-w72j",
  "modified": "2022-05-24T17:07:56Z",
  "published": "2022-05-24T17:07:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15621"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/619484"
    },
    {
      "type": "WEB",
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-012"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2019-15621 (GCVE-0-2019-15621)

Vulnerability from cvelistv5 – Published: 2020-02-04 19:08 – Updated: 2024-08-05 00:56

Summary

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.

Severity

No CVSS data available.

CWE

Privilege Escalation (CAPEC-233)

Assigner

hackerone CNA under the mitre root

CNA scorecard D 59/100 over 216 records in the last 180 days details

References

4 references

URL	Tags
https://hackerone.com/reports/619484	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
n/a	Nextcloud Server	Affected: 16.0.2

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:56:22.056Z",
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          },
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            "tags": [
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html"
          },
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          "versions": [
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          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html"
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      "x_legacyV4Record": {
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          "ID": "CVE-2019-15621",
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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.
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