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BlogEngine.NET 3.3.7 Directory Traversal / Remote Code Execution

🗓️ 18 Jun 2019 00:00:00Reported by Aaron BishopType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 694 Views

BlogEngine.NET 3.3.7 Directory Traversal / Remote Code Execution vulnerabilit

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`BlogEngine.NET, versions 3.3.7 and earlier, is vulnerable to two separate  
Directory Traversal issues that can lead to Remote Code Execution.  
  
CVE-2019-10719 exploits a directory traversal in /api/upload, allowing  
users to write files to any location within the web root. This bypasses  
the protection added in version 3.3.7 to prevent CVE-2019-6714. A user,  
with the ability to add images or files to posts, can upload a malicious  
PostView.ascx file to the Themes folder. The code could then be triggered  
by setting the theme parameter to the newly create folder.  
  
CVE-2019-10720 exploits a directory traversal in the theme cookie to  
trigger a remote code execution. A user, with the ability to add images or  
files to posts, can upload a malicious PostView.ascx file, then trigger the  
RCE by setting the theme cookie to ../../App_Data/files.  
  
Disclosure at:  
https://www.securitymetrics.com/blog/BlogEngineNET-Directory-Traversal-Remote-Code-Execution-CVE-2019-10719-CVE-2019-10720  
  
  
`

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