Basic Web Server Directory Traversal and Denial of Service Vulnerabilities

Bugtraq ID:	43356
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 19 2010 12:00AM
Updated:	Sep 19 2010 12:00AM
Credit:	John Leitch
Vulnerable:	Bit4Free Basic Web Server 1.0
Not Vulnerable:

Basic Web Server Directory Traversal and Denial of Service Vulnerabilities

Basic Web Server is prone to a directory-traversal vulnerability and a denial-of-service vulnerability.

Exploiting these issues will allow attackers to obtain sensitive information or cause denial-of-service conditions.

Basic Web Server 1.0 is vulnerable; other versions may also be affected.

Basic Web Server Directory Traversal and Denial of Service Vulnerabilities

The following example URI is available for the directory-traversal issue:

http://www.example.com/?../../../../../../../../../../windows/win.

The following exploit code is available for the denial-of-service issue:

• /data/vulnerabilities/exploits/43356.py

Basic Web Server Directory Traversal and Denial of Service 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].

Basic Web Server Directory Traversal and Denial of Service Vulnerabilities

References:

• Basic Web Server Homepage (Bit4Free)