Security Notes
  • Whoami
  • Pentesting
    • WEP-Pen
      • Reconnaissance
      • Enumeration
      • OWSAP TOP 10
        • Injection
          • Cross Site Scripting
            • Cross Site Scripting
            • Exploitation
            • Protections
          • SQL Injection
            • SQL Injection Overview
          • NoSQL Injection
          • CRLF Injection
          • XML Injection
        • Broken Access Control
          • Path Traversal
          • Sensitive Cookie with Improper SameSite Attribute
          • Link Following
          • Incorrect Default Permissions
          • Information disclosure
          • CSRF
            • csrf checklist
          • 403 bypass
          • Exposure of WSDL File Containing Sensitive Information
          • bussiness logic checklist
          • 2FA bypass checklist
          • admin panal checklist
          • idor checklist
          • Authentication checklist
          • reset_password_checklist
          • ATO
        • Cryptographic Failures
          • Cryptographic Failure
          • Weak Encoding for Password
          • Improper Following of a Certificate's Chain of Trust
            • Understanding Digital Certificates : Self-Signed and CA-Signed Certificate **
            • Transport Layer Security (TLS) and SSL **
          • Clear Text Transmission Of Sensitive Data
            • SSLStripping **
        • Insecure Design
        • Security Misconfiguration
          • CORS Miscofigration
          • Mail Server Misconfiguration
        • Vulnerable and Outdated Components
          • Using Components with Known Vulnerabilities
        • Identification and Authentication Failures
          • JWT Hacking
          • SAML Authentication bypass
        • Software and Data Integrity Failures
          • mass assignment
          • PostMessage Vulnerabilities
            • PostMessage Vulnerabilities
            • Blocking main page to steal postmessage
            • Bypassing SOP with Iframes - part 1
            • Bypassing SOP with Iframes - part 2
            • Steal postmessage modifying iframe location
        • Security Logging and Monitoring Failures
        • Server-Side Request Forgery (SSRF)
          • SSRF
      • Checklists
        • aem misconfiguration
        • exif_geo
        • xss
        • Session Management
        • Authorization
        • cookie
        • Django
        • Symfony
        • json
        • bypass rate limit
        • Rce
        • Register Page
      • eWPTXv2 Preparation
        • Encoding & Filtering
        • Evasion Basics
        • Cross-site scripting (XSS)
        • XSS Filter Evasion
        • Cross-site request forgery (CSRF
        • HTML5
      • API-Pen
        • API Discovry
        • Reverse Engineering API Documentation
        • Excessive Data Exposure
        • Vulnerability Scanning
        • API Authentication Attacks
          • Classic Authentication Attacks
          • API Token Attacks
        • API Authorization Attacks
          • Broken Object Level Authorization (BOLA)
          • Broken Function Level Authorization
        • Improper Assets Management
        • Mass Assignment
        • SSRF
        • Injection Attacks in API
        • Evasive Maneuvers
        • GraphQL Vulnerabilities
    • NET-Pen
      • Active Directory Pentesting
        • Active Directory Components
        • Initial Attack Vectors
          • LLMNR Poisoning
          • SMB Relay Attacks
          • IPv6 Attacks ( IPv6 DNS Takeover )
          • Printer Hacking
          • Methodology
          • Some Other Attacks
            • Zerologon (CVE-2020-1472)
            • PrintNightmare (CVE-2021-1675)
        • Post-Compromise Attacks
          • Pass Attacks
          • Kerberoasting Attack
          • Token Impersonation Attack
          • LNK File Attack
          • GPP / cPassword Attacks
          • Mimikatz
          • Methodology
        • We've Compromised the Domain
          • Dumping the NTDS.dit
          • Golden Ticket Attacks
          • Methodology
        • Case Study
        • Password Attacks
      • Attack Vectors by Port
        • FTP 21
        • SSH 22
        • Telnet 23 - 2323
        • SMTP 25
        • DNS 53
        • Kerberos 88
        • POP 110-995
        • RPC 111
        • Ident 113
        • NNTP 119
        • NetBIOS 137-138
        • SMB / Samba 135-139, 445
        • MSRPC 135
        • SNMP 161
        • LDAP 389,636
        • Modbus 502
        • OpenSSL 1337
        • Ms-SQL 1433
        • Oracle Listener 1521 1522 1529
        • NFS 2049
        • MySql 3306
        • RDP 3389
        • ADB Android Debug Bridge 5555
        • WinRM 5985 5986
        • VNC 5800 5900
        • Redis 6379
        • Unreal IRC 6667
        • Tomcat 8080
        • MongoDB 27017
        • http 80
      • Network basics
      • Information Gathering
      • Privilege Escalation
        • Windows Privilege Escalation
        • Linux Privilege Escalation
    • write-ups
      • How i found a Privilege Escalation via Impersonation Features feature
      • How I was able to discover ATO Via IDOR vulnerability
      • Easy full Account Takeover via Facebook OAuth Misconfiguration
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On this page
  1. Pentesting
  2. WEP-Pen
  3. Checklists

Register Page

[ ] Duplicate registration overwrite existing user

1. create first account in application with email say abc@gmail.com and password
2. logout of the account and create another account with same email and different password
3. you can even try to change email case like from abc2gmail.com to Abc@gmail.com
4. finish the creation proccess and see that it succceed
5. now go back and try to login with email and the new password ,you are seccess logged in

[ ] Dos at name /password field in sign up page

1. go to sign up form
2. fill the form and enter a long string in password 
3. click on enter and you will get 500 internal server error if it is vulnerability

[ ] no rate limit at signup page

1. enter your details in signuo form and submit the form
2. capture the signuo request and send it to intruder
3. add $$ to email parameter
4. in the payload add different email address
5. fire up intruder and check whether it return 200 ok

[ ] xss in username,email

xss can be test in any of parameter
1. payload for text field:
2. payload for email field:
3. you can use bypassing filter

[ ] email varification can be easily bypassed with following method

1. response manipulation change the bad respone with good one like false to true
2. status code manipulation change the 403 to 200

[ ] weak register implemntation

1. check whether the allows disposable email addresses
2. register form on non-https page

[ ] weak password policy

1. check whether application allows easily guessable passsword like 123456
2. check if you can use username same as the email address
3. check if can use password same as that email address
4. improperly implemented password recovery link functionality

[ ] Path Overwrite

If an application allows users to check their profile with direct path /{username} always try to signup with system reserved file names, such as index.php, signup.php, login.php, etc. In some cases what happens here is, when you signup with username: index.php, now upon visiting target.tld/index.php, your profile will comeup and occupy the index.php page of an application. Similarly, if an attacker is able to signup with username login.php, Imagine login page getting takeovered.
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