Web - Server

Discover the mechanisms, protocols and technologies used on the Internet and learn to abuse them!

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.

 74 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide HTML - Source code 49% 117645 5 g0uZ 5 3 October 2006
pas_valide HTTP - User-agent 24% 57684 10 g0uZ 10 3 October 2006
pas_valide Weak password 33% 77924 10 g0uZ 7 3 October 2006
pas_valide HTTP - Directory indexing 23% 54560 15 g0uZ 7 7 October 2006
pas_valide Install files 14% 32025 15 g0uZ 4 7 October 2006
pas_valide HTTP - Cookies 14% 31375 20 g0uZ 8 7 October 2006
pas_valide HTTP - Verb tampering 14% 32774 15 g0uZ 10 3 February 2011
pas_valide SQL injection - Authentication 13% 30028 30 g0uZ 11 27 February 2011
pas_valide SQL injection - Blind 3% 5196 50 g0uZ 5 27 February 2011
pas_valide Backup file 17% 39085 15 g0uZ 8 27 February 2011
pas_valide PHP - Filters 7% 14688 25 g0uZ 3 27 February 2011
pas_valide CRLF 10% 22170 20 g0uZ 7 31 July 2011
pas_valide Directory traversal 11% 24992 25 g0uZ 3 31 July 2011
pas_valide Local File Inclusion 8% 18836 30 g0uZ 4 2 October 2011
pas_valide PHP - register globals 6% 12082 25 g0uZ 2 8 October 2011
pas_valide SQL injection - Numeric 5% 9748 35 g0uZ 6 24 December 2012
pas_valide File upload - Double extensions 11% 24508 20 g0uZ 9 24 December 2012
pas_valide SQL injection - String 6% 13882 30 g0uZ 8 24 December 2012
pas_valide File upload - MIME type 8% 19210 20 g0uZ 10 26 December 2012
pas_valide File upload - Null byte 8% 17201 25 g0uZ 4 26 December 2012
pas_valide XPath injection - Authentication 3% 5137 35 g0uZ 6 27 December 2012
pas_valide XPath injection - Blind 1% 1603 75 g0uZ 4 27 December 2012
pas_valide XPath injection - String 2% 2947 40 g0uZ 5 26 May 2013
pas_valide LDAP injection - Authentication 4% 7525 35 g0uZ 8 26 May 2013
pas_valide LDAP injection - Blind 1% 2399 55 g0uZ 2 8 June 2013
pas_valide PHP - Serialization 3% 5014 35 Arod 2 3 February 2014
pas_valide SQL injection - Filter bypass 1% 1518 80 sambecks 6 21 July 2014
pas_valide SQL injection - File reading 2% 3995 40 Arod 3 19 October 2014
pas_valide XML External Entity 2% 3729 35 sambecks 2 20 October 2014
pas_valide HTTP - Improper redirect 13% 29390 15 Arod 10 26 November 2014
pas_valide HTTP - Headers 16% 37706 15 Arod 9 11 January 2015
pas_valide SQL injection - Insert 1% 2039 40 sambecks 4 23 February 2015
pas_valide SQL injection - Error 3% 5023 40 sambecks 5 4 March 2015
pas_valide PHP - Path Truncation 2% 4107 35 Geluchat 6 25 March 2015
pas_valide SQL Truncation 2% 4595 35 Geluchat 2 1 May 2015
pas_valide NoSQL injection - Authentication 3% 5593 35 mastho 8 31 May 2015
pas_valide SQL injection - Time based 2% 3647 45 ycam 4 11 September 2015
pas_valide Remote File Inclusion 4% 8339 30 g0uZ 8 25 November 2015
pas_valide Java - Server-side Template Injection 4% 7300 30 righettod 5 29 November 2015
pas_valide SQL injection - Authentication - GBK 3% 6415 30 dvor4x 3 2 December 2015
pas_valide PHP - preg_replace() 3% 6867 30 sambecks 4 2 March 2016
pas_valide Local File Inclusion - Wrappers 1% 2355 40 sambecks 4 2 March 2016
pas_valide PHP - type juggling 3% 6757 30 vic 4 10 March 2016
pas_valide Local File Inclusion - Double encoding 4% 9233 30 zM_ 4 13 June 2016
pas_valide PHP - assert() 5% 10566 25 Birdy42 10 26 November 2016
pas_valide NoSQL injection - Blind 1% 2108 45 ghozt 6 26 November 2016
pas_valide SQL Injection - Routed 2% 3258 35 soka 5 24 December 2016
pas_valide Java - Spring Boot 1% 1663 40 dvor4x 3 24 December 2016
pas_valide XSLT - Code execution 2% 2611 30 ghozt 5 16 July 2017
pas_valide HTTP - Open redirect 19% 44824 10 Swissky 10 2 August 2017
pas_valide File upload - ZIP 3% 6571 30 ghozt 3 3 August 2017
pas_valide PHP - Command injection 18% 43209 10 sambecks 10 20 September 2017
pas_valide Command injection - Filter bypass 3% 5037 30 sambecks 6 20 September 2017
pas_valide PHP - Loose Comparison 3% 5133 30 ghozt 4 10 January 2018
pas_valide Server Side Request Forgery 1% 1034 50 sambecks 7 22 June 2018
pas_valide HTTP - POST 13% 31367 15 Th1b4ud 10 14 August 2018
pas_valide PHP - Eval 1% 2272 40 chmod 10 8 November 2018
pas_valide JSON Web Token (JWT) - Public key 1% 2143 30 Jrmbt 4 21 August 2019
pas_valide JSON Web Token (JWT) - Weak secret 3% 5931 25 Jrmbt 6 21 August 2019
pas_valide JSON Web Token (JWT) - Introduction 4% 8404 20 Kn0wledge 5 21 August 2019
pas_valide Insecure Code Management 4% 7405 20 Swissky 6 29 September 2019
pas_valide PHP - Remote Xdebug 1% 765 25 mayfly 3 18 March 2020
pas_valide JWT - Revoked token 1% 2347 25 ArnC 6 20 March 2020
pas_valide PHP - Unserialize overflow 1% 421 40 mayfly 2 4 April 2020
pas_valide GraphQL 1% 653 40 CanardMandarin 2 20 October 2020
pas_valide Node - Eval 1% 1238 30 Mhd_Root 6 24 February 2021
pas_valide Node - Serialize 1% 490 35 Mhd_Root 1 24 February 2021
pas_valide HTTP - IP restriction bypass 3% 5809 10 Cyrhades 5 23 March 2021
pas_valide NodeJS - vm escape 1% 314 50 Podalirius 1 15 April 2021
pas_valide Yaml - Deserialization 1% 465 35 Nishacid 2 20 April 2021
pas_valide Python - Server-side Template Injection Introduction 1% 930 25 Podalirius 3 7 September 2021
pas_valide Python - Blind SSTI Filters Bypass 1% 155 75 Podalirius 3 7 September 2021
pas_valide NodeJS - Prototype Pollution Bypass 1% 43 35 Worty 0 22 October 2021
pas_valide PHP - Unserialize Pop Chain 1% 21 55 Worty 0 22 October 2021

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Asucanc   Weak password 6 December 2021 at 01:39
Heol   HTTP - Directory indexing 6 December 2021 at 01:30
pwnedw/love   HTML - Code source 6 December 2021 at 01:28
Heol   Mot de passe faible 6 December 2021 at 01:25
Heol   HTML - Code source 6 December 2021 at 01:24
Asucanc   HTTP - User-agent 6 December 2021 at 01:23
Asucanc   HTTP - Open redirect 6 December 2021 at 01:15
kr140995   Local File Inclusion - Double encoding 6 December 2021 at 01:05
argetlam   HTTP - Redirection invalide 6 December 2021 at 01:01
argetlam   HTTP - POST 6 December 2021 at 00:54