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 HTML - Source code 49% 89841 5 g0uZ 3
pas_valide HTTP - Open redirect 18% 33031 10 Swissky 10
pas_valide HTTP - User-agent 25% 44734 10 g0uZ 10
pas_valide Weak password 34% 62224 10 g0uZ 7
pas_valide PHP - Command injection 18% 31566 10 sambecks 10
pas_valide Backup file 17% 31252 15 g0uZ 7
pas_valide HTTP - Directory indexing 24% 43357 15 g0uZ 7
pas_valide HTTP - Headers 16% 29355 15 Arod 9
pas_valide HTTP - POST 12% 21965 15 Th1b4ud 10
pas_valide HTTP - Improper redirect 13% 22797 15 Arod 10
pas_valide HTTP - Verb tampering 15% 26092 15 g0uZ 10
pas_valide Install files 15% 26023 15 g0uZ 2
pas_valide CRLF 10% 17241 20 g0uZ 7
pas_valide File upload - Double extensions 11% 19640 20 g0uZ 9
pas_valide File upload - MIME type 9% 15366 20 g0uZ 9
pas_valide HTTP - Cookies 14% 24557 20 g0uZ 7
pas_valide Insecure Code Management 3% 3989 20 Swissky 6
pas_valide JSON Web Token (JWT) - Introduction 3% 4525 20 Knowledge 4
pas_valide Directory traversal 11% 20146 25 g0uZ 3
pas_valide File upload - Null byte 8% 13977 25 g0uZ 4
pas_valide JSON Web Token (JWT) - Weak secret 2% 3089 25 Jrmbt 5
pas_valide JWT - Revoked token 1% 588 25 ArnC 6
pas_valide PHP - assert() 5% 8254 25 Birdy42 9
pas_valide PHP - Filters 7% 12178 25 g0uZ 3
pas_valide PHP - register globals 6% 10121 25 g0uZ 1
pas_valide PHP - Remote Xdebug 1% 270 25 mayfly 2
pas_valide File upload - ZIP 3% 4960 30 ghozt 3
pas_valide Command injection - Filter bypass 2% 3696 30 sambecks 6
pas_valide Java - Server-side Template Injection 4% 5816 30 righettod 4
pas_valide JSON Web Token (JWT) - Public key 1% 1326 30 Jrmbt 4
pas_valide Local File Inclusion 9% 15476 30 g0uZ 4
pas_valide Local File Inclusion - Double encoding 5% 7505 30 zM_ 3
pas_valide PHP - Loose Comparison 3% 3891 30 ghozt 4
pas_valide PHP - preg_replace() 4% 5700 30 sambecks 4
pas_valide PHP - type juggling 3% 5526 30 vic 4
pas_valide Remote File Inclusion 4% 6730 30 g0uZ 8
pas_valide SQL injection - Authentication 13% 23111 30 g0uZ 11
pas_valide SQL injection - Authentication - GBK 3% 5059 30 dvor4x 3
pas_valide SQL injection - String 6% 10672 30 g0uZ 8
pas_valide XSLT - Code execution 2% 1970 30 ghozt 5
pas_valide LDAP injection - Authentication 4% 6093 35 g0uZ 8
pas_valide NoSQL injection - Authentication 3% 4632 35 mastho 8
pas_valide PHP - Path Truncation 2% 3474 35 Geluchat 4
pas_valide PHP - Serialization 3% 4208 35 Arod 2
pas_valide SQL injection - Numeric 5% 7911 35 g0uZ 6
pas_valide SQL Injection - Routed 2% 2474 35 soka 5
pas_valide SQL Truncation 3% 3761 35 Geluchat 2
pas_valide XML External Entity 2% 2858 35 sambecks 2
pas_valide XPath injection - Authentication 3% 4420 35 g0uZ 6
pas_valide Java - Spring Boot 1% 1333 40 dvor4x 2
pas_valide Local File Inclusion - Wrappers 1% 1853 40 sambecks 4
pas_valide PHP - Eval 1% 1609 40 chmod 9
pas_valide PHP - Unserialize overflow 1% 159 40 mayfly 2
pas_valide SQL injection - Error 3% 3978 40 sambecks 4
pas_valide SQL injection - Insert 1% 1661 40 sambecks 3
pas_valide SQL injection - File reading 2% 3051 40 Arod 3
pas_valide XPath injection - String 2% 2492 40 g0uZ 5
pas_valide NoSQL injection - Blind 1% 1706 45 ghozt 5
pas_valide SQL injection - Time based 2% 2896 45 ycam 4
pas_valide Server Side Request Forgery 1% 680 50 sambecks 5
pas_valide SQL injection - Blind 3% 4265 50 g0uZ 5
pas_valide LDAP injection - Blind 1% 1847 55 g0uZ 1
pas_valide XPath injection - Blind 1% 1268 75 g0uZ 4
pas_valide SQL injection - Filter bypass 1% 1289 80 sambecks 5

Challenge Results Challenge Results

Pseudo Challenge Lang date
b65306   PHP - preg_replace() 3 July 2020 at 09:50
yizhangju   PHP - Command injection 3 July 2020 at 09:45
inizio   Install files 3 July 2020 at 09:43
christmouse   PHP - Register globals 3 July 2020 at 09:41
inizio   HTTP - Verb tampering 3 July 2020 at 09:34
Julien   Directory traversal 3 July 2020 at 09:33
NdA994   Directory traversal 3 July 2020 at 09:32
Archy   Directory traversal 3 July 2020 at 09:31
Mohamed Hany   Install files 3 July 2020 at 09:27
Keinger   HTTP - Headers 3 July 2020 at 09:21