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% 244 40 mayfly 2
pas_valide PHP - Remote Xdebug 1% 378 25 mayfly 2
pas_valide Server Side Request Forgery 1% 739 50 sambecks 6
pas_valide JWT - Revoked token 1% 963 25 ArnC 6
pas_valide XPath injection - Blind 1% 1344 75 g0uZ 4
pas_valide SQL injection - Filter bypass 1% 1360 80 sambecks 5
pas_valide Java - Spring Boot 1% 1398 40 dvor4x 2
pas_valide JSON Web Token (JWT) - Public key 1% 1511 30 Jrmbt 4
pas_valide SQL injection - Insert 1% 1741 40 sambecks 3
pas_valide PHP - Eval 1% 1771 40 chmod 9
pas_valide NoSQL injection - Blind 1% 1790 45 ghozt 5
pas_valide LDAP injection - Blind 1% 1937 55 g0uZ 2
pas_valide Local File Inclusion - Wrappers 2% 1963 40 sambecks 4
pas_valide XSLT - Code execution 2% 2100 30 ghozt 5
pas_valide XPath injection - String 2% 2585 40 g0uZ 5
pas_valide SQL Injection - Routed 2% 2629 35 soka 5
pas_valide XML External Entity 2% 3017 35 sambecks 2
pas_valide SQL injection - Time based 2% 3039 45 ycam 4
pas_valide SQL injection - File reading 2% 3197 40 Arod 3
pas_valide PHP - Path Truncation 2% 3612 35 Geluchat 4
pas_valide JSON Web Token (JWT) - Weak secret 2% 3732 25 Jrmbt 5
pas_valide SQL Truncation 3% 3921 35 Geluchat 2
pas_valide Command injection - Filter bypass 3% 4002 30 sambecks 6
pas_valide PHP - Loose Comparison 3% 4154 30 ghozt 4
pas_valide SQL injection - Error 3% 4193 40 sambecks 4
pas_valide PHP - Serialization 3% 4393 35 Arod 2
pas_valide SQL injection - Blind 3% 4430 50 g0uZ 5
pas_valide XPath injection - Authentication 3% 4568 35 g0uZ 6
pas_valide Insecure Code Management 3% 4792 20 Swissky 6
pas_valide NoSQL injection - Authentication 3% 4830 35 mastho 8
pas_valide File upload - ZIP 3% 5272 30 ghozt 3
pas_valide SQL injection - Authentication - GBK 3% 5300 30 dvor4x 3
pas_valide JSON Web Token (JWT) - Introduction 3% 5337 20 Kn0wledge 4
pas_valide PHP - type juggling 3% 5807 30 vic 4
pas_valide PHP - preg_replace() 4% 5963 30 sambecks 4
pas_valide Java - Server-side Template Injection 4% 6107 30 righettod 4
pas_valide LDAP injection - Authentication 4% 6324 35 g0uZ 8
pas_valide Remote File Inclusion 4% 7015 30 g0uZ 8
pas_valide Local File Inclusion - Double encoding 5% 7846 30 zM_ 3
pas_valide SQL injection - Numeric 5% 8220 35 g0uZ 6
pas_valide PHP - assert() 5% 8719 25 Birdy42 9
pas_valide PHP - register globals 6% 10517 25 g0uZ 1
pas_valide SQL injection - String 6% 11171 30 g0uZ 8
pas_valide PHP - Filters 7% 12722 25 g0uZ 3
pas_valide File upload - Null byte 8% 14634 25 g0uZ 4
pas_valide Local File Inclusion 9% 16095 30 g0uZ 4
pas_valide File upload - MIME type 9% 16147 20 g0uZ 10
pas_valide CRLF 10% 18266 20 g0uZ 7
pas_valide File upload - Double extensions 11% 20638 20 g0uZ 9
pas_valide Directory traversal 11% 21087 25 g0uZ 3
pas_valide HTTP - POST 13% 23968 15 Th1b4ud 10
pas_valide SQL injection - Authentication 13% 24144 30 g0uZ 11
pas_valide HTTP - Improper redirect 13% 24179 15 Arod 10
pas_valide HTTP - Cookies 14% 25893 20 g0uZ 7
pas_valide Install files 14% 27231 15 g0uZ 3
pas_valide HTTP - Verb tampering 15% 27397 15 g0uZ 10
pas_valide HTTP - Headers 16% 30990 15 Arod 9
pas_valide Backup file 17% 32897 15 g0uZ 7
pas_valide PHP - Command injection 18% 33998 10 sambecks 10
pas_valide HTTP - Open redirect 19% 35607 10 Swissky 10
pas_valide HTTP - Directory indexing 24% 45560 15 g0uZ 7
pas_valide HTTP - User-agent 25% 47409 10 g0uZ 10
pas_valide Weak password 34% 65284 10 g0uZ 7
pas_valide HTML - Source code 49% 95102 5 g0uZ 3

Challenge Results Challenge Results

Pseudo Challenge Lang date
Jencyo   Mot de passe faible 19 October 2020 at 20:17
Ichiryuunotora   JSON Web Token (JWT) - Introduction 19 October 2020 at 20:13
kateroukie   HTTP - Improper redirect 19 October 2020 at 20:11
Twix   HTML - Code source 19 October 2020 at 20:10
rati   Weak password 19 October 2020 at 20:09
slead1553   HTML - Code source 19 October 2020 at 20:09
Skajd2   SQL injection - File reading 19 October 2020 at 20:07
t00182st0p   HTTP - Open redirect 19 October 2020 at 20:06
ectll   HTTP - Open redirect 19 October 2020 at 20:06
k700   Install files 19 October 2020 at 20:03