Web - Server

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

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.

 65 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide HTML - Source code 49% 99881 5 g0uZ 3
pas_valide HTTP - Open redirect 19% 38229 10 Swissky 10
pas_valide HTTP - User-agent 25% 50052 10 g0uZ 10
pas_valide Weak password 34% 68216 10 g0uZ 7
pas_valide PHP - Command injection 18% 36302 10 sambecks 10
pas_valide Backup file 17% 34569 15 g0uZ 7
pas_valide HTTP - Directory indexing 24% 47794 15 g0uZ 7
pas_valide HTTP - Headers 16% 32752 15 Arod 9
pas_valide HTTP - POST 13% 25924 15 Th1b4ud 10
pas_valide HTTP - Improper redirect 13% 25612 15 Arod 10
pas_valide HTTP - Verb tampering 15% 28819 15 g0uZ 10
pas_valide Install files 14% 28551 15 g0uZ 3
pas_valide CRLF 10% 19338 20 g0uZ 7
pas_valide File upload - Double extensions 11% 21695 20 g0uZ 9
pas_valide File upload - MIME type 9% 16977 20 g0uZ 10
pas_valide HTTP - Cookies 14% 27182 20 g0uZ 7
pas_valide Insecure Code Management 3% 5439 20 Swissky 6
pas_valide JSON Web Token (JWT) - Introduction 3% 6011 20 Kn0wledge 5
pas_valide Directory traversal 11% 22108 25 g0uZ 3
pas_valide File upload - Null byte 8% 15328 25 g0uZ 4
pas_valide JSON Web Token (JWT) - Weak secret 3% 4245 25 Jrmbt 6
pas_valide JWT - Revoked token 1% 1267 25 ArnC 6
pas_valide PHP - assert() 5% 9174 25 Birdy42 9
pas_valide PHP - Filters 7% 13263 25 g0uZ 3
pas_valide PHP - register globals 6% 10925 25 g0uZ 1
pas_valide PHP - Remote Xdebug 1% 489 25 mayfly 2
pas_valide File upload - ZIP 3% 5632 30 ghozt 3
pas_valide Command injection - Filter bypass 3% 4302 30 sambecks 6
pas_valide Java - Server-side Template Injection 4% 6403 30 righettod 4
pas_valide JSON Web Token (JWT) - Public key 1% 1665 30 Jrmbt 4
pas_valide Local File Inclusion 9% 16861 30 g0uZ 4
pas_valide Local File Inclusion - Double encoding 5% 8227 30 zM_ 3
pas_valide PHP - Loose Comparison 3% 4438 30 ghozt 4
pas_valide PHP - preg_replace() 4% 6203 30 sambecks 4
pas_valide PHP - type juggling 3% 6056 30 vic 4
pas_valide Remote File Inclusion 4% 7355 30 g0uZ 8
pas_valide SQL injection - Authentication 13% 25582 30 g0uZ 11
pas_valide SQL injection - Authentication - GBK 3% 5612 30 dvor4x 3
pas_valide SQL injection - String 6% 11826 30 g0uZ 8
pas_valide XSLT - Code execution 2% 2233 30 ghozt 5
pas_valide LDAP injection - Authentication 4% 6604 35 g0uZ 8
pas_valide NoSQL injection - Authentication 3% 5029 35 mastho 8
pas_valide PHP - Path Truncation 2% 3740 35 Geluchat 5
pas_valide PHP - Serialization 3% 4572 35 Arod 2
pas_valide SQL injection - Numeric 5% 8564 35 g0uZ 6
pas_valide SQL Injection - Routed 2% 2765 35 soka 5
pas_valide SQL Truncation 3% 4111 35 Geluchat 2
pas_valide XML External Entity 2% 3176 35 sambecks 2
pas_valide XPath injection - Authentication 3% 4732 35 g0uZ 6
pas_valide GraphQL 1% 211 40 CanardMandarin 1
pas_valide Java - Spring Boot 1% 1487 40 dvor4x 2
pas_valide Local File Inclusion - Wrappers 2% 2063 40 sambecks 4
pas_valide PHP - Eval 1% 1884 40 chmod 9
pas_valide PHP - Unserialize overflow 1% 294 40 mayfly 2
pas_valide SQL injection - Error 3% 4370 40 sambecks 4
pas_valide SQL injection - Insert 1% 1805 40 sambecks 3
pas_valide SQL injection - File reading 2% 3350 40 Arod 3
pas_valide XPath injection - String 2% 2687 40 g0uZ 5
pas_valide NoSQL injection - Blind 1% 1874 45 ghozt 5
pas_valide SQL injection - Time based 2% 3183 45 ycam 4
pas_valide Server Side Request Forgery 1% 804 50 sambecks 7
pas_valide SQL injection - Blind 3% 4600 50 g0uZ 5
pas_valide LDAP injection - Blind 1% 2036 55 g0uZ 2
pas_valide XPath injection - Blind 1% 1420 75 g0uZ 4
pas_valide SQL injection - Filter bypass 1% 1413 80 sambecks 5

Challenge Results Challenge Results

Pseudo Challenge Lang date
Zyy   SQL injection - Authentification 20 January 2021 at 19:35
Kirill   File upload - ZIP 20 January 2021 at 19:34
Jackalope_anonyme   SQL injection - Authentication 20 January 2021 at 19:19
Le_codeir_fute   Remote File Inclusion 20 January 2021 at 19:09
Jackalope_anonyme   Weak password 20 January 2021 at 19:06
Jackalope_anonyme   HTTP - Open redirect 20 January 2021 at 19:01
Heykel_   HTML - Code source 20 January 2021 at 18:55
youness   HTML - Source code 20 January 2021 at 18:55
nathanp   JSON Web Token (JWT) - Introduction 20 January 2021 at 18:53
Sergey.t85   SQL injection - String 20 January 2021 at 18:51