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% 32341 15 g0uZ 7
pas_valide CRLF 10% 17941 20 g0uZ 7
pas_valide Command injection - Filter bypass 3% 3912 30 sambecks 6
pas_valide Directory traversal 11% 20745 25 g0uZ 3
pas_valide File upload - Double extensions 11% 20320 20 g0uZ 9
pas_valide File upload - MIME type 9% 15905 20 g0uZ 9
pas_valide File upload - Null byte 8% 14421 25 g0uZ 4
pas_valide File upload - ZIP 3% 5174 30 ghozt 3
pas_valide HTML - Source code 49% 93337 5 g0uZ 3
pas_valide HTTP - Cookies 14% 25447 20 g0uZ 7
pas_valide HTTP - Directory indexing 24% 44828 15 g0uZ 7
pas_valide HTTP - Headers 16% 30453 15 Arod 9
pas_valide HTTP - Improper redirect 13% 23719 15 Arod 10
pas_valide HTTP - Open redirect 19% 34711 10 Swissky 10
pas_valide HTTP - POST 13% 23294 15 Th1b4ud 10
pas_valide HTTP - User-agent 25% 46455 10 g0uZ 10
pas_valide HTTP - Verb tampering 15% 26972 15 g0uZ 10
pas_valide Insecure Code Management 3% 4542 20 Swissky 6
pas_valide Install files 14% 26833 15 g0uZ 3
pas_valide JSON Web Token (JWT) - Introduction 3% 5064 20 Kn0wledge 4
pas_valide JSON Web Token (JWT) - Public key 1% 1460 30 Jrmbt 4
pas_valide JSON Web Token (JWT) - Weak secret 2% 3498 25 Jrmbt 5
pas_valide JWT - Revoked token 1% 830 25 ArnC 6
pas_valide Java - Server-side Template Injection 4% 6005 30 righettod 4
pas_valide Java - Spring Boot 1% 1381 40 dvor4x 2
pas_valide LDAP injection - Authentication 4% 6236 35 g0uZ 8
pas_valide LDAP injection - Blind 1% 1906 55 g0uZ 1
pas_valide Local File Inclusion 9% 15892 30 g0uZ 4
pas_valide Local File Inclusion - Double encoding 5% 7731 30 zM_ 3
pas_valide Local File Inclusion - Wrappers 2% 1923 40 sambecks 4
pas_valide NoSQL injection - Authentication 3% 4765 35 mastho 8
pas_valide NoSQL injection - Blind 1% 1773 45 ghozt 5
pas_valide PHP - Command injection 18% 33141 10 sambecks 10
pas_valide PHP - Eval 1% 1719 40 chmod 9
pas_valide PHP - Filters 7% 12554 25 g0uZ 3
pas_valide PHP - Loose Comparison 3% 4083 30 ghozt 4
pas_valide PHP - Path Truncation 2% 3563 35 Geluchat 4
pas_valide PHP - Remote Xdebug 1% 343 25 mayfly 2
pas_valide PHP - Serialization 3% 4333 35 Arod 2
pas_valide PHP - Unserialize overflow 1% 223 40 mayfly 2
pas_valide PHP - assert() 5% 8560 25 Birdy42 9
pas_valide PHP - preg_replace() 4% 5885 30 sambecks 4
pas_valide PHP - register globals 6% 10404 25 g0uZ 1
pas_valide PHP - type juggling 3% 5720 30 vic 4
pas_valide Remote File Inclusion 4% 6935 30 g0uZ 8
pas_valide SQL Injection - Routed 2% 2575 35 soka 5
pas_valide SQL Truncation 3% 3862 35 Geluchat 2
pas_valide SQL injection - Authentication 13% 23774 30 g0uZ 11
pas_valide SQL injection - Authentication - GBK 3% 5218 30 dvor4x 3
pas_valide SQL injection - Blind 3% 4376 50 g0uZ 5
pas_valide SQL injection - Error 3% 4124 40 sambecks 4
pas_valide SQL injection - File reading 2% 3160 40 Arod 3
pas_valide SQL injection - Filter bypass 1% 1344 80 sambecks 5
pas_valide SQL injection - Insert 1% 1720 40 sambecks 3
pas_valide SQL injection - Numeric 5% 8131 35 g0uZ 6
pas_valide SQL injection - String 6% 11025 30 g0uZ 8
pas_valide SQL injection - Time based 2% 2995 45 ycam 4
pas_valide Server Side Request Forgery 1% 719 50 sambecks 5
pas_valide Weak password 34% 64232 10 g0uZ 7
pas_valide XML External Entity 2% 2970 35 sambecks 2
pas_valide XPath injection - Authentication 3% 4529 35 g0uZ 6
pas_valide XPath injection - Blind 1% 1325 75 g0uZ 4
pas_valide XPath injection - String 2% 2561 40 g0uZ 5
pas_valide XSLT - Code execution 2% 2066 30 ghozt 5

Challenge Results Challenge Results

Pseudo Challenge Lang date
Pazvedka   Weak password 20 September 2020 at 12:51
Pazvedka   HTTP - User-agent 20 September 2020 at 12:45
Unity   HTTP - User-agent 20 September 2020 at 12:30
isec   XSLT - Code execution 20 September 2020 at 12:30
Unity   HTTP - Headers 20 September 2020 at 12:28
LeyyFX   HTML - Code source 20 September 2020 at 12:17
Byg_L   HTML - Code source 20 September 2020 at 12:16
Lyriksen   HTTP - Directory indexing 20 September 2020 at 12:13
Pazvedka   HTML - Source code 20 September 2020 at 12:12
loliron   HTML - Source code 20 September 2020 at 12:09