Leet Sheet
  • Leet Sheet
  • TODO
  • Reconnaissance
    • Automated Reconnaissance
    • Domains
    • Scour the Web
    • Metadata
  • Web App Hacking
    • Enumeration
      • Webserver Virtualhost Subdomains
      • Common Identifiers
      • Web Fuzzing
      • Directory Enumeration
        • Automated Directory Enumeration
        • Manual Directory Enumeration
      • Automated Web Technology Detection
    • User Attacks
      • CORS Misconfigurations
      • DNS Rebinding
      • Open Redirect
      • Clickjacking
      • Cross Site Request Forgery (CSRF)
      • Session Fixation
      • XSS/Cross Site Scripting
      • CSS Injection
      • HTML Injection
      • Phishing
    • Database Attacks
      • SQL Injection
      • Get a Shell From DB Connection
    • Server Attacks
      • Collisions
      • Server Side Request Forgery
        • Redis SSRF
      • Insecure Direct Object Reference
      • Timing-Based Side-Channel Attacks
      • Attacking Authentication Methods
        • JWT Attacks
        • Brute Forcing Web Forms
      • Loose Comparisons
      • Unrestricted File Upload
      • Insecure Deserialization
      • Command Injection
      • Path Traversal
      • File Inclusion
      • Server-Side Template Injection
      • XML External Entities Injection (XXE)
      • Server Misconfigurations
      • Parser Inconsistencies
      • Bypassing WAFs
    • DNS Attacks
    • Cloud Attacks
      • Amazon Web Services
    • Interesting Outdated Attacks
      • SQL Truncation
  • Network Hacking
    • General Enumeration
    • RPC
    • LDAP
    • SMB
    • SNMP
    • WMI
    • SSH
    • Kerberos
    • NTLM
    • Man-In-the-Middle (MITM)
    • WinRM
  • Post Exploitation
    • Windows
      • CLI Tips
      • Shells
      • Windows Script Host
      • Windows Privilege Escalation
        • Enumeration
        • JuicyPotato/RottenPotato
        • Kernel Exploits
        • Unquoted Service Paths
      • Active Directory
      • Dumping Passwords
      • NTLM Hash Theft
    • Linux
      • Port Forwarding
      • Shells
      • Linux Privilege Escalation
        • Enumeration
        • SUID Bit
        • Dot (.) In PATH
        • Escape From Restricted Shell
        • Symlink Trickery
        • Wildcard Injection
        • Docker group/LXD group
        • Password Reuse
      • Backdoors
    • Docker Container
    • General
  • Various
    • CVEs
    • SSH Agent Hijacking
    • Password Cracking
    • Cryptography
    • Non-Hacking
    • Malware
    • Forensics
      • Reading Keystrokes from USB PCAP Data
  • Binary Exploitation
    • Resources
    • Base Knowledge
    • Format String Exploits
    • Stack Smashing
    • Heap Exploits
    • Time-of-Check to Time-of-Use (TOCTOU)
    • Shellcode
    • Decompilation
    • Debugging
    • Exploit Mitigations and Protections
    • Exploit Protection Bypassing
    • Passing Input
    • Fuzzing
    • Automatic Exploitation
  • Physical Security
    • Mechanical Locks
    • Electronic Locks
    • Other Attacks
    • Destructive Entry
    • Elevator Attacks
  • Social Engineering
    • Phishing
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  • JSON Interoperability Vulnerabilities
  • URL Interoperability Vulnerabilities

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  1. Web App Hacking
  2. Server Attacks

Parser Inconsistencies

PreviousServer MisconfigurationsNextBypassing WAFs

Last updated 2 years ago

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When different parsers parse the same input differently, then application logic vulnerabilities can occur.

JSON Interoperability Vulnerabilities

Excellent article:

URL Interoperability Vulnerabilities

Orange Tsai had an excellent presentation about that:

https://www.blackhat.com/docs/us-17/thursday/us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf
LogoAn Exploration & Remediation of JSON Interoperability VulnerabilitiesBishop Fox