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 Backup file 17% 30717 15 g0uZ 7
pas_valide CRLF 10% 16909 20 g0uZ 7
pas_valide Command injection - Filter bypass 2% 3603 30 sambecks 6
pas_valide Directory traversal 11% 19789 25 g0uZ 3
pas_valide File upload - Double extensions 11% 19282 20 g0uZ 9
pas_valide File upload - MIME type 9% 15040 20 g0uZ 9
pas_valide File upload - Null byte 8% 13759 25 g0uZ 4
pas_valide File upload - ZIP 3% 4858 30 ghozt 3
pas_valide HTML - Source code 49% 87926 5 g0uZ 3
pas_valide HTTP - Cookies 14% 24117 20 g0uZ 7
pas_valide HTTP - Directory indexing 24% 42610 15 g0uZ 6
pas_valide HTTP - Headers 16% 28828 15 Arod 9
pas_valide HTTP - Improper redirect 13% 22353 15 Arod 10
pas_valide HTTP - Open redirect 18% 32182 10 Swissky 10
pas_valide HTTP - POST 12% 21284 15 Th1b4ud 10
pas_valide HTTP - User-agent 25% 43849 10 g0uZ 10
pas_valide HTTP - Verb tampering 15% 25653 15 g0uZ 10
pas_valide Insecure Code Management 3% 3758 20 Swissky 6
pas_valide Install files 15% 25629 15 g0uZ 2
pas_valide JSON Web Token (JWT) - Introduction 3% 4260 20 Knowledge 4
pas_valide JSON Web Token (JWT) - Public key 1% 1281 30 Jrmbt 4
pas_valide JSON Web Token (JWT) - Weak secret 2% 2909 25 Jrmbt 5
pas_valide JWT - Revoked token 1% 485 25 ArnC 3
pas_valide Java - Server-side Template Injection 4% 5718 30 righettod 4
pas_valide Java - Spring Boot 1% 1308 40 dvor4x 2
pas_valide LDAP injection - Authentication 4% 5998 35 g0uZ 8
pas_valide LDAP injection - Blind 1% 1815 55 g0uZ 1
pas_valide Local File Inclusion 9% 15227 30 g0uZ 4
pas_valide Local File Inclusion - Double encoding 5% 7373 30 zM 3
pas_valide Local File Inclusion - Wrappers 2% 1819 40 sambecks 4
pas_valide NoSQL injection - Authentication 3% 4563 35 mastho 8
pas_valide NoSQL injection - Blind 1% 1679 45 ghozt 5
pas_valide PHP - Command injection 17% 30761 10 sambecks 10
pas_valide PHP - Eval 1% 1567 40 chmod 9
pas_valide PHP - Filters 7% 11995 25 g0uZ 3
pas_valide PHP - Loose Comparison 3% 3798 30 ghozt 4
pas_valide PHP - Path Truncation 2% 3414 35 Geluchat 4
pas_valide PHP - Remote Xdebug 1% 242 25 mayfly 2
pas_valide PHP - Serialization 3% 4144 35 Arod 2
pas_valide PHP - Unserialize overflow 1% 125 40 mayfly 2
pas_valide PHP - assert() 5% 8105 25 Birdy42 9
pas_valide PHP - preg_replace() 4% 5624 30 sambecks 4
pas_valide PHP - register globals 6% 9978 25 g0uZ 1
pas_valide PHP - type juggling 3% 5440 30 vic 4
pas_valide Remote File Inclusion 4% 6604 30 g0uZ 8
pas_valide SQL Injection - Routed 2% 2419 35 soka 5
pas_valide SQL Truncation 3% 3702 35 Geluchat 2
pas_valide SQL injection - Authentication 13% 22732 30 g0uZ 11
pas_valide SQL injection - Authentication - GBK 3% 4978 30 dvor4x 3
pas_valide SQL injection - Blind 3% 4208 50 g0uZ 5
pas_valide SQL injection - Error 3% 3897 40 sambecks 4
pas_valide SQL injection - File reading 2% 3003 40 Arod 3
pas_valide SQL injection - Filter bypass 1% 1269 80 sambecks 5
pas_valide SQL injection - Insert 1% 1639 40 sambecks 3
pas_valide SQL injection - Numeric 5% 7807 35 g0uZ 6
pas_valide SQL injection - String 6% 10508 30 g0uZ 8
pas_valide SQL injection - Time based 2% 2844 45 ycam 4
pas_valide Server Side Request Forgery 1% 663 50 sambecks 4
pas_valide Weak password 34% 61192 10 g0uZ 7
pas_valide XML External Entity 2% 2807 35 sambecks 2
pas_valide XPath injection - Authentication 3% 4373 35 g0uZ 6
pas_valide XPath injection - Blind 1% 1247 75 g0uZ 4
pas_valide XPath injection - String 2% 2447 40 g0uZ 5
pas_valide XSLT - Code execution 2% 1923 30 ghozt 5

Challenge Results Challenge Results

Pseudo Challenge Lang date
Zephyr   JWT - Jeton révoqué 25 May 2020 at 15:24
pebs   Install files 25 May 2020 at 15:24
VaAaL509   SQL injection - String 25 May 2020 at 15:22
totor62   Install files 25 May 2020 at 15:20
IceL0rd   Install files 25 May 2020 at 15:07
Elweth   SQL injection - En aveugle 25 May 2020 at 15:01
pebs   HTTP - Headers 25 May 2020 at 14:59
Vexiios   Install files 25 May 2020 at 14:58
pebs   Fichier de sauvegarde 25 May 2020 at 14:57
Sykursen   HTTP - Verb tampering 25 May 2020 at 14:52