Vulnerability-Lookup

GHSA-8796-GC9J-63RV

Vulnerability from github – Published: 2021-05-17 20:51 – Updated: 2021-10-05 16:31

Summary

File upload local preview can run embedded scripts after user interaction

Details

Impact

When uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file, but only after several user interactions to open the preview in a separate tab. This only impacts the local user while in the process of uploading. It cannot be exploited remotely or by other users.

Patches

This has been fixed by https://github.com/matrix-org/matrix-react-sdk/pull/5981, which is included in 3.21.0.

Workarounds

There are no known workarounds.

Severity

4.2 (Medium)


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

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "matrix-react-sdk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.21.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-17T16:51:38Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nWhen uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file, but only after several user interactions to open the preview in a separate tab. This only impacts the local user while in the process of uploading. It cannot be exploited remotely or by other users.\n\n### Patches\n\nThis has been fixed by https://github.com/matrix-org/matrix-react-sdk/pull/5981, which is included in 3.21.0.\n\n### Workarounds\n\nThere are no known workarounds.",
  "id": "GHSA-8796-gc9j-63rv",
  "modified": "2021-10-05T16:31:48Z",
  "published": "2021-05-17T20:51:16Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-8796-gc9j-63rv"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/matrix-react-sdk"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "File upload local preview can run embedded scripts after user interaction"
}

CVE-2021-32622 (GCVE-0-2021-32622)

Vulnerability from cvelistv5 – Published: 2021-05-17 19:35 – Updated: 2024-08-03 23:25

Title

File upload local preview can run embedded scripts after user interaction

Summary

Matrix-React-SDK is a react-based SDK for inserting a Matrix chat/voip client into a web page. Before version 3.21.0, when uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file. This can only occur after several user interactions to open the preview in a separate tab. This only impacts the local user while in the process of uploading. It cannot be exploited remotely or by other users. This vulnerability is patched in version 3.21.0.

Severity

4.2 (Medium)


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

CWE

CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-react-sdk/se…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-react-sdk/pu…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-react-sdk	Affected: < 3.21.0

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

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.

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.