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.

Challenges associated with this section 60 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Backup file 18% 25591 15 g0uZ 7
pas_valide CRLF 10% 13773 20 g0uZ 7
pas_valide Command injection - Filter bypass 2% 2726 30 sambecks 6
pas_valide Directory traversal 12% 16559 25 g0uZ 3
pas_valide File upload - Double extensions 11% 15879 20 g0uZ 9
pas_valide File upload - MIME type 9% 12303 20 g0uZ 8
pas_valide File upload - Null byte 8% 11531 25 g0uZ 4
pas_valide File upload - ZIP 3% 3678 30 ghozt 3
pas_valide HTML - Source code 48% 70921 5 g0uZ 3
pas_valide HTTP - Cookies 14% 19679 20 g0uZ 7
pas_valide HTTP - Directory indexing 24% 35085 15 g0uZ 4
pas_valide HTTP - Headers 16% 23384 15 Arod 8
pas_valide HTTP - Improper redirect 13% 17840 15 Arod 10
pas_valide HTTP - Open redirect 17% 23724 10 Swissky 10
pas_valide HTTP - POST 10% 14444 15 Th1b4ud 10
pas_valide HTTP - User-agent 24% 35391 10 g0uZ 10
pas_valide HTTP - Verb tampering 15% 21383 15 g0uZ 10
pas_valide Install files 15% 21498 15 g0uZ 2
pas_valide JSON Web Token (JWT) - Introduction 1% 811 20 Knowledge 3
pas_valide JSON Web Token (JWT) - Public key 1% 321 30 Jrmbt 1
pas_valide JSON Web Token (JWT) - Weak secret 1% 528 25 Jrmbt 1
pas_valide Java - Server-side Template Injection 4% 4677 30 righettod 4
pas_valide Java - Spring Boot 1% 966 40 dvor4x 2
pas_valide LDAP injection - Authentication 4% 5132 35 g0uZ 8
pas_valide LDAP injection - Blind 2% 1502 55 g0uZ 1
pas_valide Local File Inclusion 9% 12886 30 g0uZ 3
pas_valide Local File Inclusion - Double encoding 5% 6120 30 zM 3
pas_valide Local File Inclusion - Wrappers 1% 1433 40 sambecks 4
pas_valide NoSQL injection - Authentication 3% 3798 35 mastho 7
pas_valide NoSQL injection - Blind 1% 1309 45 ghozt 5
pas_valide PHP - Command injection 16% 22974 10 sambecks 10
pas_valide PHP - Eval 1% 1065 40 chmod 9
pas_valide PHP - Filters 7% 10116 25 g0uZ 3
pas_valide PHP - Loose Comparison 2% 2853 30 ghozt 4
pas_valide PHP - Path Truncation 2% 2839 35 Geluchat 4
pas_valide PHP - Serialization 3% 3569 35 Arod 2
pas_valide PHP - assert() 5% 6522 25 Birdy42 8
pas_valide PHP - preg_replace() 4% 4693 30 sambecks 4
pas_valide PHP - register globals 6% 8460 25 g0uZ 1
pas_valide PHP - type juggling 4% 4487 30 vic 4
pas_valide Remote File Inclusion 4% 5540 30 g0uZ 8
pas_valide SQL Injection - Routed 2% 1826 35 soka 5
pas_valide SQL Truncation 3% 3077 35 Geluchat 2
pas_valide SQL injection - Authentication 13% 18542 30 g0uZ 11
pas_valide SQL injection - Authentication - GBK 3% 3833 30 dvor4x 3
pas_valide SQL injection - Blind 3% 3625 50 g0uZ 4
pas_valide SQL injection - Error 3% 3130 40 sambecks 4
pas_valide SQL injection - File reading 2% 2447 40 Arod 2
pas_valide SQL injection - Filter bypass 1% 968 80 sambecks 5
pas_valide SQL injection - Insert 1% 1346 40 sambecks 3
pas_valide SQL injection - Numeric 5% 6594 35 g0uZ 6
pas_valide SQL injection - String 6% 8525 30 g0uZ 8
pas_valide SQL injection - Time based 2% 2275 45 ycam 2
pas_valide Server Side Request Forgery 1% 440 50 sambecks 3
pas_valide Weak password 35% 50871 10 g0uZ 5
pas_valide XML External Entity 2% 2287 35 sambecks 2
pas_valide XPath injection - Authentication 3% 3852 35 g0uZ 4
pas_valide XPath injection - Blind 1% 993 75 g0uZ 4
pas_valide XPath injection - String 2% 2042 40 g0uZ 4
pas_valide XSLT - Code execution 1% 1472 30 ghozt 5

Challenge Results Challenge Results

Pseudo Challenge Lang date
goozy   SQL Truncation en 15 September 2019 at 19:55
tvorozhok   SQL Truncation en 15 September 2019 at 19:54
ThePhilosopher   Directory traversal en 15 September 2019 at 19:51
Krakazap   PHP - assert() en 15 September 2019 at 19:41
Clopatre   PHP - Filters fr 15 September 2019 at 19:41
shaax   SQL injection - Authentification fr 15 September 2019 at 19:40
ctfcastor   PHP - Register globals fr 15 September 2019 at 19:40
Damigilos   PHP - Filters en 15 September 2019 at 19:38
maugli   JSON Web Token (JWT) - Introduction en 15 September 2019 at 19:35
thanhking   SQL injection - Insert en 15 September 2019 at 19:33