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.

 65 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide GraphQL 1% 4 40 CanardMandarin 0
pas_valide PHP - register globals 6% 10522 25 g0uZ 1
pas_valide XML External Entity 2% 3017 35 sambecks 2
pas_valide SQL Truncation 3% 3924 35 Geluchat 2
pas_valide PHP - Remote Xdebug 1% 378 25 mayfly 2
pas_valide LDAP injection - Blind 1% 1940 55 g0uZ 2
pas_valide PHP - Unserialize overflow 1% 244 40 mayfly 2
pas_valide Java - Spring Boot 1% 1398 40 dvor4x 2
pas_valide PHP - Serialization 3% 4395 35 Arod 2
pas_valide PHP - Filters 7% 12729 25 g0uZ 3
pas_valide Local File Inclusion - Double encoding 5% 7849 30 zM_ 3
pas_valide Directory traversal 11% 21097 25 g0uZ 3
pas_valide SQL injection - Authentication - GBK 3% 5301 30 dvor4x 3
pas_valide HTML - Source code 49% 95154 5 g0uZ 3
pas_valide Install files 14% 27244 15 g0uZ 3
pas_valide SQL injection - Insert 1% 1741 40 sambecks 3
pas_valide SQL injection - File reading 2% 3197 40 Arod 3
pas_valide File upload - ZIP 3% 5275 30 ghozt 3
pas_valide JSON Web Token (JWT) - Public key 1% 1511 30 Jrmbt 4
pas_valide PHP - Path Truncation 2% 3612 35 Geluchat 4
pas_valide Local File Inclusion - Wrappers 2% 1965 40 sambecks 4
pas_valide SQL injection - Error 3% 4195 40 sambecks 4
pas_valide PHP - type juggling 3% 5810 30 vic 4
pas_valide PHP - preg_replace() 4% 5964 30 sambecks 4
pas_valide Local File Inclusion 9% 16101 30 g0uZ 4
pas_valide SQL injection - Time based 2% 3039 45 ycam 4
pas_valide XPath injection - Blind 1% 1347 75 g0uZ 4
pas_valide PHP - Loose Comparison 3% 4159 30 ghozt 4
pas_valide Java - Server-side Template Injection 4% 6110 30 righettod 4
pas_valide JSON Web Token (JWT) - Introduction 3% 5352 20 Kn0wledge 4
pas_valide File upload - Null byte 8% 14646 25 g0uZ 4
pas_valide SQL injection - Blind 3% 4431 50 g0uZ 5
pas_valide NoSQL injection - Blind 1% 1791 45 ghozt 5
pas_valide XPath injection - String 2% 2586 40 g0uZ 5
pas_valide SQL Injection - Routed 2% 2632 35 soka 5
pas_valide XSLT - Code execution 2% 2100 30 ghozt 5
pas_valide SQL injection - Filter bypass 1% 1361 80 sambecks 5
pas_valide JSON Web Token (JWT) - Weak secret 2% 3740 25 Jrmbt 5
pas_valide JWT - Revoked token 1% 963 25 ArnC 6
pas_valide SQL injection - Numeric 5% 8225 35 g0uZ 6
pas_valide Server Side Request Forgery 1% 740 50 sambecks 6
pas_valide Command injection - Filter bypass 3% 4005 30 sambecks 6
pas_valide XPath injection - Authentication 3% 4568 35 g0uZ 6
pas_valide Insecure Code Management 3% 4800 20 Swissky 6
pas_valide HTTP - Cookies 14% 25911 20 g0uZ 7
pas_valide CRLF 10% 18274 20 g0uZ 7
pas_valide Weak password 34% 65318 10 g0uZ 7
pas_valide HTTP - Directory indexing 24% 45589 15 g0uZ 7
pas_valide Backup file 17% 32918 15 g0uZ 7
pas_valide NoSQL injection - Authentication 3% 4831 35 mastho 8
pas_valide LDAP injection - Authentication 4% 6325 35 g0uZ 8
pas_valide Remote File Inclusion 4% 7017 30 g0uZ 8
pas_valide SQL injection - String 6% 11177 30 g0uZ 8
pas_valide File upload - Double extensions 11% 20644 20 g0uZ 9
pas_valide PHP - Eval 1% 1771 40 chmod 9
pas_valide HTTP - Headers 16% 31013 15 Arod 9
pas_valide PHP - assert() 5% 8721 25 Birdy42 9
pas_valide HTTP - User-agent 25% 47447 10 g0uZ 10
pas_valide File upload - MIME type 9% 16155 20 g0uZ 10
pas_valide HTTP - Improper redirect 13% 24190 15 Arod 10
pas_valide PHP - Command injection 18% 34023 10 sambecks 10
pas_valide HTTP - Open redirect 19% 35646 10 Swissky 10
pas_valide HTTP - POST 13% 23990 15 Th1b4ud 10
pas_valide HTTP - Verb tampering 15% 27412 15 g0uZ 10
pas_valide SQL injection - Authentication 13% 24157 30 g0uZ 11

Challenge Results Challenge Results

Pseudo Challenge Lang date
Lusanda   HTML - Source code 20 October 2020 at 19:33
Ichiryuunotora   JSON Web Token (JWT) - Secret faible 20 October 2020 at 19:21
OMSK'ru   HTML - Code source 20 October 2020 at 19:19
Anakayn   File upload - Null byte 20 October 2020 at 19:19
Anakayn   File upload - Type MIME 20 October 2020 at 19:13
houdu_huliya   HTTP - Open redirect 20 October 2020 at 19:13
PUDDIN'   JSON Web Token (JWT) - Weak secret 20 October 2020 at 19:11
ValQuiRit   CRLF 20 October 2020 at 19:10
crotal4967   JSON Web Token (JWT) - Secret faible 20 October 2020 at 19:08
Rémi Aillot   HTTP - User-agent 20 October 2020 at 19:01