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CVE-2021-41127: Maliciously Crafted Model Archive Can Lead To Arbitrary File Write

October 22, 2021 (updated October 16, 2024)

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.

References

  • github.com/RasaHQ/rasa
  • github.com/RasaHQ/rasa/commit/1b6b502f52d73b4f8cd1959ce724b8ad0eb33989
  • github.com/RasaHQ/rasa/security/advisories/GHSA-4365-fhm5-qcrx
  • github.com/advisories/GHSA-4365-fhm5-qcrx
  • github.com/pypa/advisory-database/tree/main/vulns/rasa/PYSEC-2021-381.yaml
  • nvd.nist.gov/vuln/detail/CVE-2021-41127

Code Behaviors & Features

Detect and mitigate CVE-2021-41127 with GitLab Dependency Scanning

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Affected versions

All versions before 2.8.10

Fixed versions

  • 2.8.10

Solution

Upgrade to version 2.8.10 or above.

Impact 7.1 HIGH

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

Learn more about CVSS

Weakness

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-23: Relative Path Traversal

Source file

pypi/rasa/CVE-2021-41127.yml

Spotted a mistake? Edit the file on GitLab.

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