JSUpload "writeItemContent()" Arbitrary File Disclosure Vulnerability


Description   Sean de Regge has reported a vulnerability in JSUpload, which can be exploited by malicious people to disclose certain sensitive information.
Certain input passed to the "writeItemContent()" function is not properly verified before being used to read files. This can be exploited to disclose the contents of arbitrary files via directory traversal sequences.
The vulnerability is reported in versions prior to 0.6.5.
     
Vulnerable Products   Vulnerable Software:
JSUpload 0.x
     
Solution   Update to version 0.6.5.
     
CVE  
     
References   JSUpload:
http://code.google.com/p/gwtupload/issues/detail?id=166
Sean de Regge:
http://archives.neohapsis.com/archives/fulldisclosure/2012-11/0233.html
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
Misc : Directory traversal - parameter starting with ../
3.2.0
Directory traversal using ..\..
3.2.0
Directory traversal
3.2.0
Directory traversal backward root folder
3.2.0
     


 
 
 
 
 Risk level 
Moderate 

 Vulnerability First Public Report Date 
2012-12-03 

 Target Type 
Server 

 Possible exploit 
Remote