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% 191 40 mayfly 2
pas_valide PHP - Remote Xdebug 1% 307 25 mayfly 2
pas_valide Server Side Request Forgery 1% 699 50 sambecks 5
pas_valide JWT - Revoked token 1% 703 25 ArnC 6
pas_valide XPath injection - Blind 1% 1289 75 g0uZ 4
pas_valide SQL injection - Filter bypass 1% 1320 80 sambecks 5
pas_valide Java - Spring Boot 1% 1350 40 dvor4x 2
pas_valide JSON Web Token (JWT) - Public key 1% 1390 30 Jrmbt 4
pas_valide PHP - Eval 1% 1666 40 chmod 9
pas_valide SQL injection - Insert 1% 1690 40 sambecks 3
pas_valide NoSQL injection - Blind 1% 1741 45 ghozt 5
pas_valide LDAP injection - Blind 1% 1877 55 g0uZ 1
pas_valide Local File Inclusion - Wrappers 2% 1889 40 sambecks 4
pas_valide XSLT - Code execution 2% 2012 30 ghozt 5
pas_valide SQL Injection - Routed 2% 2520 35 soka 5
pas_valide XPath injection - String 2% 2525 40 g0uZ 5
pas_valide XML External Entity 2% 2914 35 sambecks 2
pas_valide SQL injection - Time based 2% 2938 45 ycam 4
pas_valide SQL injection - File reading 2% 3109 40 Arod 3
pas_valide JSON Web Token (JWT) - Weak secret 2% 3298 25 Jrmbt 5
pas_valide PHP - Path Truncation 2% 3519 35 Geluchat 4
pas_valide Command injection - Filter bypass 3% 3814 30 sambecks 6
pas_valide SQL Truncation 3% 3815 35 Geluchat 2
pas_valide PHP - Loose Comparison 3% 3998 30 ghozt 4
pas_valide SQL injection - Error 3% 4056 40 sambecks 4
pas_valide Insecure Code Management 3% 4271 20 Swissky 6
pas_valide PHP - Serialization 3% 4284 35 Arod 2
pas_valide SQL injection - Blind 3% 4324 50 g0uZ 5
pas_valide XPath injection - Authentication 3% 4465 35 g0uZ 6
pas_valide NoSQL injection - Authentication 3% 4702 35 mastho 8
pas_valide JSON Web Token (JWT) - Introduction 3% 4794 20 Kn0wledge 4
pas_valide File upload - ZIP 3% 5081 30 ghozt 3
pas_valide SQL injection - Authentication - GBK 3% 5142 30 dvor4x 3
pas_valide PHP - type juggling 3% 5641 30 vic 4
pas_valide PHP - preg_replace() 4% 5799 30 sambecks 4
pas_valide Java - Server-side Template Injection 4% 5920 30 righettod 4
pas_valide LDAP injection - Authentication 4% 6173 35 g0uZ 8
pas_valide Remote File Inclusion 4% 6836 30 g0uZ 8
pas_valide Local File Inclusion - Double encoding 5% 7631 30 zM_ 3
pas_valide SQL injection - Numeric 5% 8039 35 g0uZ 6
pas_valide PHP - assert() 5% 8420 25 Birdy42 9
pas_valide PHP - register globals 6% 10267 25 g0uZ 1
pas_valide SQL injection - String 6% 10846 30 g0uZ 8
pas_valide PHP - Filters 7% 12377 25 g0uZ 3
pas_valide File upload - Null byte 8% 14203 25 g0uZ 4
pas_valide File upload - MIME type 9% 15636 20 g0uZ 9
pas_valide Local File Inclusion 9% 15702 30 g0uZ 4
pas_valide CRLF 10% 17615 20 g0uZ 7
pas_valide File upload - Double extensions 11% 19990 20 g0uZ 9
pas_valide Directory traversal 11% 20452 25 g0uZ 3
pas_valide HTTP - POST 13% 22632 15 Th1b4ud 10
pas_valide HTTP - Improper redirect 13% 23265 15 Arod 10
pas_valide SQL injection - Authentication 13% 23444 30 g0uZ 11
pas_valide HTTP - Cookies 14% 24967 20 g0uZ 7
pas_valide Install files 15% 26443 15 g0uZ 2
pas_valide HTTP - Verb tampering 15% 26555 15 g0uZ 10
pas_valide HTTP - Headers 16% 29904 15 Arod 9
pas_valide Backup file 17% 31801 15 g0uZ 7
pas_valide PHP - Command injection 18% 32383 10 sambecks 10
pas_valide HTTP - Open redirect 18% 33864 10 Swissky 10
pas_valide HTTP - Directory indexing 24% 44087 15 g0uZ 7
pas_valide HTTP - User-agent 25% 45581 10 g0uZ 10
pas_valide Weak password 34% 63207 10 g0uZ 7
pas_valide HTML - Source code 49% 91535 5 g0uZ 3

Challenge Results Challenge Results

Pseudo Challenge Lang date
xerdes   HTTP - Open redirect 10 August 2020 at 02:05
Joël, hahaha, Joël ?   HTTP - Verb tampering 10 August 2020 at 02:04
mateusz.nosek   HTTP - Directory indexing 10 August 2020 at 01:59
oreosec   HTML - Source code 10 August 2020 at 01:58
K_S   PHP - Command injection 10 August 2020 at 01:57
K_S   HTTP - Headers 10 August 2020 at 01:48
dam1dam1   PHP - Injection de commande 10 August 2020 at 01:43
YoulinCO   File upload - Null byte 10 August 2020 at 01:40
K_S   HTTP - Verb tampering 10 August 2020 at 01:40
K1NGARU   File upload - Type MIME 10 August 2020 at 01:33