Notepad++ 'C' and 'CPP' File Handling Remote Stack Buffer Overflow Vulnerability

Bugtraq ID:	36426
Class:	Boundary Condition Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 16 2009 12:00AM
Updated:	Dec 11 2009 05:34PM
Credit:	fl0 fl0w
Vulnerable:	Notepad Plus Plus Notepad++ 5.4.5
Not Vulnerable:

Notepad++ 'C' and 'CPP' File Handling Remote Stack Buffer Overflow Vulnerability

Notepad++ is prone to a stack-based buffer-overflow vulnerability because it fails to perform adequate boundary checks on user-supplied input.

Attackers may leverage this issue to execute arbitrary code in the context of the application. Failed attacks will cause denial-of-service conditions.

Notepad++ 5.4.5 is vulnerable; other versions may also be affected.

UPDATE (December 9, 2009): The vendor disputes the claim that this application is vulnerable as described. Please see the references for more information.

Notepad++ 'C' and 'CPP' File Handling Remote Stack Buffer Overflow Vulnerability

The following proof-of-concept code is available:

• /data/vulnerabilities/exploits/36426.c

Notepad++ 'C' and 'CPP' File Handling Remote Stack Buffer Overflow Vulnerability

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].

Notepad++ 'C' and 'CPP' File Handling Remote Stack Buffer Overflow Vulnerability

References:

• Notepad++ Homepage (Notepad++)
  
• Notepad++ buffer overflow issue (Don HO )