PBLang NTopic.PHP Arbitrary File Upload Vulnerability

Bugtraq ID:	26559
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Nov 24 2007 12:00AM
Updated:	Nov 26 2007 04:24PM
Credit:	KiNgOfThEwOrLd is credited with the discovery of this vulnerability.
Vulnerable:	PBLang PBLang 4.66 z PBLang PBLang 4.66 PBLang PBLang 4.65 PBLang PBLang 4.63 PBLang PBLang 4.56 (4.5 RC 2) PBLang PBLang 4.6 PBLang PBLang 4.0 PBLang PBLang 4.99.17.q PBLang PBLang 4.67.16.a
Not Vulnerable:

PBLang NTopic.PHP Arbitrary File Upload Vulnerability

PBLang is prone to a vulnerability that lets attackers upload arbitrary code and execute it in the context of the webserver process. The issue occurs because the software fails to adequately sanitize user-supplied input.

A successful exploit may allow the attacker to gain unauthorized access or to escalate privileges; other attacks are also possible.

This issue affects PBLang 4.99.17.q; earlier versions may also be vulnerable.

PBLang NTopic.PHP Arbitrary File Upload Vulnerability

Attackers may exploit this issue through a browser.

The following proof-of-concept examples are available:

• /data/vulnerabilities/exploits/26559-exp.html
• /data/vulnerabilities/exploits/26559-rewrite.html

PBLang NTopic.PHP Arbitrary File Upload Vulnerability

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

PBLang NTopic.PHP Arbitrary File Upload Vulnerability

References:

• PBLang Forum Homepage (PBLang)
  
• PBLang <= 4.99.17.q Remote File Rewriting / Remote Command Execution ([email protected])