Extensis Portfolio Netpublish Server Server.NP Directory Traversal Vulnerability

Bugtraq ID:	15974
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Dec 20 2005 12:00AM
Updated:	Dec 20 2005 12:00AM
Credit:	Andy Davis and Mazin Faour are credited with the discovery of this vulnerability.
Vulnerable:	Extensis Portfolio Netpublish Server 7.0
Not Vulnerable:

Extensis Portfolio Netpublish Server Server.NP Directory Traversal Vulnerability

Portfolio Netpublish Server is prone to a directory traversal vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.

An attacker can exploit this issue to retrieve arbitrary files in the context of the affected application. Information obtained may aid in further attacks against the underlying system; other attacks are also possible.

Netpublish Server 7 is vulnerable; other versions may also be affected.

Extensis Portfolio Netpublish Server Server.NP Directory Traversal Vulnerability

No exploit is required.

An example URI has been provided:

http://www.example.com/server.np?base&site=XXXintra&catalog=catalog&template=../../../../../../../../../boot.ini

Extensis Portfolio Netpublish Server Server.NP Directory Traversal Vulnerability

Solution:
The vendor has released a knowledgebase article for this issue on the Microsoft Windows platform; please see the reference section for further details.

Extensis Portfolio Netpublish Server Server.NP Directory Traversal Vulnerability

References:

• Extensis Web Site (Extensis)
  
• Workaround for directory traversal vuln in version 7 (Extensis)
  
• IRM 012: Portfolio Netpublish Server 7 is vulnerable to a Directory Traversal At ([email protected])