Web - Server

Discover the mechanisms, protocols and technologies used on the Internet and learn to abuse it!

These challenges are designed to train users on HTML, HTTP and other server side mechanisms. The following series of challenges will cultivate a better understanding of techniques such as : Basic workings of multiple authentication mechanisms, handling form data, inner workings of web applications, etc. ...

Prerequisites:
- Understand HTML.
- Understand the HTTP protocol.
- Ability to manipulate a web browser.

 64 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide PHP - Unserialize overflow 1% 12 40 mayfly 0
pas_valide PHP - Remote Xdebug 1% 125 25 mayfly 1
pas_valide JWT - Revoked token 1% 179 25 ArnC 1
pas_valide Server Side Request Forgery 1% 628 50 sambecks 4
pas_valide JSON Web Token (JWT) - Public key 1% 1146 30 Jrmbt 2
pas_valide XPath injection - Blind 1% 1210 75 g0uZ 4
pas_valide SQL injection - Filter bypass 1% 1224 80 sambecks 5
pas_valide Java - Spring Boot 1% 1261 40 dvor4x 2
pas_valide PHP - Eval 1% 1443 40 chmod 9
pas_valide SQL injection - Insert 1% 1589 40 sambecks 3
pas_valide NoSQL injection - Blind 1% 1619 45 ghozt 5
pas_valide Local File Inclusion - Wrappers 1% 1743 40 sambecks 4
pas_valide LDAP injection - Blind 1% 1758 55 g0uZ 1
pas_valide XSLT - Code execution 2% 1854 30 ghozt 5
pas_valide SQL Injection - Routed 2% 2306 35 soka 5
pas_valide XPath injection - String 2% 2378 40 g0uZ 5
pas_valide JSON Web Token (JWT) - Weak secret 2% 2518 25 Jrmbt 5
pas_valide XML External Entity 2% 2734 35 sambecks 2
pas_valide SQL injection - Time based 2% 2739 45 ycam 4
pas_valide SQL injection - File reading 2% 2900 40 Arod 3
pas_valide Insecure Code Management 2% 3259 20 Swissky 6
pas_valide PHP - Path Truncation 2% 3316 35 Geluchat 4
pas_valide Command injection - Filter bypass 2% 3431 30 sambecks 6
pas_valide SQL Truncation 3% 3580 35 Geluchat 2
pas_valide PHP - Loose Comparison 3% 3599 30 ghozt 4
pas_valide JSON Web Token (JWT) - Introduction 3% 3737 20 Knowledge 4
pas_valide SQL injection - Error 3% 3738 40 sambecks 4
pas_valide PHP - Serialization 3% 4018 35 Arod 2
pas_valide SQL injection - Blind 3% 4095 50 g0uZ 4
pas_valide XPath injection - Authentication 3% 4279 35 g0uZ 5
pas_valide NoSQL injection - Authentication 3% 4432 35 mastho 8
pas_valide File upload - ZIP 3% 4616 30 ghozt 3
pas_valide SQL injection - Authentication - GBK 3% 4795 30 dvor4x 3
pas_valide PHP - type juggling 3% 5256 30 vic 4
pas_valide PHP - preg_replace() 4% 5444 30 sambecks 4
pas_valide Java - Server-side Template Injection 4% 5519 30 righettod 4
pas_valide LDAP injection - Authentication 4% 5833 35 g0uZ 8
pas_valide Remote File Inclusion 4% 6392 30 g0uZ 8
pas_valide Local File Inclusion - Double encoding 5% 7127 30 zM 3
pas_valide SQL injection - Numeric 5% 7576 35 g0uZ 6
pas_valide PHP - assert() 5% 7794 25 Birdy42 9
pas_valide PHP - register globals 6% 9685 25 g0uZ 1
pas_valide SQL injection - String 6% 10109 30 g0uZ 8
pas_valide PHP - Filters 7% 11637 25 g0uZ 3
pas_valide File upload - Null byte 8% 13344 25 g0uZ 4
pas_valide File upload - MIME type 9% 14563 20 g0uZ 8
pas_valide Local File Inclusion 9% 14856 30 g0uZ 4
pas_valide CRLF 10% 16287 20 g0uZ 7
pas_valide File upload - Double extensions 11% 18625 20 g0uZ 9
pas_valide Directory traversal 11% 19218 25 g0uZ 3
pas_valide HTTP - POST 12% 20147 15 Th1b4ud 10
pas_valide HTTP - Improper redirect 13% 21517 15 Arod 10
pas_valide SQL injection - Authentication 13% 22028 30 g0uZ 11
pas_valide HTTP - Cookies 14% 23360 20 g0uZ 7
pas_valide Install files 15% 24853 15 g0uZ 2
pas_valide HTTP - Verb tampering 15% 24884 15 g0uZ 10
pas_valide HTTP - Headers 16% 27866 15 Arod 9
pas_valide PHP - Command injection 17% 29473 10 sambecks 10
pas_valide Backup file 17% 29768 15 g0uZ 7
pas_valide HTTP - Open redirect 18% 30749 10 Swissky 10
pas_valide HTTP - Directory indexing 24% 41376 15 g0uZ 4
pas_valide HTTP - User-agent 25% 42400 10 g0uZ 10
pas_valide Weak password 34% 59556 10 g0uZ 7
pas_valide HTML - Source code 49% 85062 5 g0uZ 3

Challenge Results Challenge Results

Pseudo Challenge Lang date
dbil   HTTP - Open redirect 5 April 2020 at 20:37
MrWiZoX   HTML - Code source 5 April 2020 at 20:37
Xavon   XPath injection - En aveugle 5 April 2020 at 20:34
Jostdoit44   HTTP - User-agent 5 April 2020 at 20:33
tushunjie   Backup file 5 April 2020 at 20:30
Fyroz   Mot de passe faible 5 April 2020 at 20:26
Prabin   Weak password 5 April 2020 at 20:26
agrifr   PHP - register globals 5 April 2020 at 20:22
Fyroz   HTML - Code source 5 April 2020 at 20:20
Express   HTTP - Cookies 5 April 2020 at 20:17