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Nuclei Templates

Missing Nginx Buffer Overflow Protection

ID: file-missing-nginx-bof-protection

Severity: medium

Author: pussycat0x

Tags: nginx,file,audit,hardening

Description

Section titled “Description”

Ensures that buffer overflow protection is properly configured in Nginx to prevent large request attacks.

YAML Source

Section titled “YAML Source”
id: file-missing-nginx-bof-protection


info:
  name: Missing Nginx Buffer Overflow Protection
  author: pussycat0x
  severity: medium
  description: |
    Ensures that buffer overflow protection is properly configured in Nginx to prevent large request attacks.
  reference:
    - https://wiki.devsecopsguides.com/docs/checklists/nginx/
    - https://nginx.org/en/docs/http/ngx_http_proxy_module.html
  metadata:
    verified: true
  tags: nginx,file,audit,hardening


file:
  - extensions:
      - conf


    matchers-condition: and
    matchers:
      - type: word
        words:
          - "http"
          - "events"
        condition: and


      - type: word
        words:
          - "proxy_buffer_size"
          - "proxy_buffers"
          - "proxy_busy_buffers_size"
        condition: and
        negative: true
# digest: 4a0a00473045022036b0373d4799a54a494ead2953d156482fa9ae4fed41994f52af845fe83cc5e4022100d513a233c8599f369882cdfcce51bdf7e2810016cb237fe8e194753f4e2cef54:922c64590222798bb761d5b6d8e72950

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 "file/audit/nginx/file-missing-nginx-bof-protection.yaml"

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