blog.ferling.eu by Benedikt Ferling


 

exploit-exercises.com/nebula -- Level 06

Problem

  1. A deprecated encryption technology is used to encrypt a users password.

Exploit

A look into /etc/passwd shows, that the password for the account flag06 is stored with an old unsave cryptographic algorithm. Use john or a similar tool to crack the password.

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echo ueqwOCnSGdsuM > tmp
john tmp

Note

john is not installed on that system.

Lesson / How to fix

  1. Use state of the art encryption!

other levels…

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