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.

 61 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide HTTP - Improper redirect 13% 20861 15 Arod 10
pas_valide PHP - Serialization 3% 3921 35 Arod 2
pas_valide SQL injection - File reading 2% 2782 40 Arod 3
pas_valide HTTP - Headers 16% 27079 15 Arod 9
pas_valide PHP - assert() 5% 7554 25 Birdy42 9
pas_valide PHP - Path Truncation 2% 3232 35 Geluchat 4
pas_valide SQL Truncation 3% 3458 35 Geluchat 2
pas_valide JSON Web Token (JWT) - Weak secret 2% 2201 25 Jrmbt 5
pas_valide JSON Web Token (JWT) - Public key 1% 1027 30 Jrmbt 2
pas_valide JSON Web Token (JWT) - Introduction 2% 3305 20 Knowledge 4
pas_valide Insecure Code Management 2% 2866 20 Swissky 6
pas_valide HTTP - Open redirect 18% 29585 10 Swissky 10
pas_valide HTTP - POST 12% 19172 15 Th1b4ud 10
pas_valide PHP - Eval 1% 1356 40 chmod 9
pas_valide SQL injection - Authentication - GBK 3% 4618 30 dvor4x 3
pas_valide Java - Spring Boot 1% 1199 40 dvor4x 2
pas_valide SQL injection - String 6% 9825 30 g0uZ 8
pas_valide SQL injection - Blind 3% 4019 50 g0uZ 4
pas_valide Remote File Inclusion 4% 6207 30 g0uZ 8
pas_valide XPath injection - String 2% 2300 40 g0uZ 5
pas_valide LDAP injection - Authentication 4% 5701 35 g0uZ 8
pas_valide XPath injection - Authentication 3% 4173 35 g0uZ 5
pas_valide Local File Inclusion 9% 14448 30 g0uZ 3
pas_valide SQL injection - Authentication 13% 21373 30 g0uZ 11
pas_valide HTML - Source code 49% 82771 5 g0uZ 3
pas_valide LDAP injection - Blind 1% 1703 55 g0uZ 1
pas_valide Install files 15% 24231 15 g0uZ 2
pas_valide HTTP - User-agent 24% 41186 10 g0uZ 10
pas_valide Weak password 34% 58077 10 g0uZ 7
pas_valide XPath injection - Blind 1% 1168 75 g0uZ 4
pas_valide Backup file 17% 28953 15 g0uZ 7
pas_valide HTTP - Directory indexing 24% 40283 15 g0uZ 4
pas_valide HTTP - Verb tampering 15% 24252 15 g0uZ 10
pas_valide CRLF 10% 15803 20 g0uZ 7
pas_valide File upload - Double extensions 11% 18095 20 g0uZ 9
pas_valide File upload - MIME type 9% 14165 20 g0uZ 8
pas_valide HTTP - Cookies 14% 22712 20 g0uZ 7
pas_valide Directory traversal 11% 18711 25 g0uZ 3
pas_valide File upload - Null byte 8% 12997 25 g0uZ 4
pas_valide PHP - Filters 7% 11321 25 g0uZ 3
pas_valide PHP - register globals 6% 9439 25 g0uZ 1
pas_valide SQL injection - Numeric 5% 7396 35 g0uZ 6
pas_valide NoSQL injection - Blind 1% 1557 45 ghozt 5
pas_valide PHP - Loose Comparison 2% 3413 30 ghozt 4
pas_valide XSLT - Code execution 2% 1786 30 ghozt 5
pas_valide File upload - ZIP 3% 4431 30 ghozt 3
pas_valide NoSQL injection - Authentication 3% 4327 35 mastho 8
pas_valide Java - Server-side Template Injection 4% 5347 30 righettod 4
pas_valide SQL injection - Filter bypass 1% 1177 80 sambecks 5
pas_valide PHP - Command injection 17% 28375 10 sambecks 10
pas_valide Command injection - Filter bypass 2% 3273 30 sambecks 6
pas_valide Server Side Request Forgery 1% 590 50 sambecks 4
pas_valide PHP - preg_replace() 4% 5302 30 sambecks 4
pas_valide XML External Entity 2% 2636 35 sambecks 2
pas_valide SQL injection - Insert 1% 1530 40 sambecks 3
pas_valide SQL injection - Error 3% 3602 40 sambecks 4
pas_valide Local File Inclusion - Wrappers 1% 1683 40 sambecks 4
pas_valide SQL Injection - Routed 2% 2222 35 soka 5
pas_valide PHP - type juggling 3% 5068 30 vic 4
pas_valide SQL injection - Time based 2% 2622 45 ycam 4
pas_valide Local File Inclusion - Double encoding 5% 6910 30 zM 3

Challenge Results Challenge Results

Pseudo Challenge Lang date
bncld   JSON Web Token (JWT) - Introduction 28 February 2020 at 20:15
Yaxxine   HTTP - User-agent 28 February 2020 at 20:15
yuki   Install files 28 February 2020 at 20:14
itchy   HTTP - Open redirect 28 February 2020 at 20:14
loko6333   PHP - Filters 28 February 2020 at 20:11
yuki   HTTP - Directory indexing 28 February 2020 at 20:09
coolkid   JSON Web Token (JWT) - Introduction 28 February 2020 at 20:09
florianges2   File upload - Type MIME 28 February 2020 at 20:08
jupiter   HTML - Source code 28 February 2020 at 20:06
omarmej   HTTP - POST 28 February 2020 at 20:00