GHSA-4365-FHM5-QCRX

Vulnerability from github – Published: 2021-10-22 16:19 – Updated: 2024-10-16 20:45
VLAI?
Summary
Maliciously Crafted Model Archive Can Lead To Arbitrary File Write
Details

Impact

An Archive Extraction (Zip Slip) vulnerability in the functionality that allows a user to load a trained model archive in Rasa 2.8.9 and older allows an attacker arbitrary write capability within specific directories using a malicious crafted archive file.

Patches

The vulnerability is fixed in Rasa 2.8.10

Workarounds

Mitigating steps for vulnerable end users are to ensure that they do not upload untrusted model files, and restrict CLI or API endpoint access where a malicious actor could target a deployed Rasa instance.

For more information

If you have any questions or comments about this advisory: * Email the Rasa Security Team

Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rasa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41127"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-23"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-21T20:32:19Z",
    "nvd_published_at": "2021-10-21T21:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nAn Archive Extraction (Zip Slip) vulnerability in the functionality that allows a user to load a trained model archive in Rasa 2.8.9 and older allows an attacker arbitrary write capability within specific directories using a malicious crafted archive file.\n\n### Patches\nThe vulnerability is fixed in Rasa 2.8.10\n\n### Workarounds\nMitigating steps for vulnerable end users are to ensure that they do not upload untrusted model files, and restrict CLI or API endpoint access where a malicious actor could target a deployed Rasa instance.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email [the Rasa Security Team](mailto:security@rasa.com)\n",
  "id": "GHSA-4365-fhm5-qcrx",
  "modified": "2024-10-16T20:45:22Z",
  "published": "2021-10-22T16:19:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/RasaHQ/rasa/security/advisories/GHSA-4365-fhm5-qcrx"
    },
    {
      "type": "WEB",
      "url": "https://github.com/RasaHQ/rasa/commit/1b6b502f52d73b4f8cd1959ce724b8ad0eb33989"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/RasaHQ/rasa"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/rasa/PYSEC-2021-381.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Maliciously Crafted Model Archive Can Lead To Arbitrary File Write"
}


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  • 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.