Lynx browser 'convert_to_idna()' Function Remote Heap Based Buffer Overflow Vulnerability

Bugtraq ID:	42316
Class:	Unknown
CVE:
Remote:	Yes
Local:	No
Published:	Aug 09 2010 12:00AM
Updated:	Aug 09 2010 12:00AM
Credit:	Dan Rosenberg
Vulnerable:	University of Kansas Lynx 0
Not Vulnerable:

Lynx browser 'convert_to_idna()' Function Remote Heap Based Buffer Overflow Vulnerability

Lynx browser is prone to a remote heap-based buffer-overflow vulnerability because the application fails to perform adequate boundary-checks on user-supplied data.

An attacker can exploit this issue to execute arbitrary attacker-supplied code within the context of the affected application. Failed exploit attempts may result in a denial-of-service condition.

Lynx browser 'convert_to_idna()' Function Remote Heap Based Buffer Overflow Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Lynx browser 'convert_to_idna()' Function Remote Heap Based 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].

Lynx browser 'convert_to_idna()' Function Remote Heap Based Buffer Overflow Vulnerability

References:

• Heap overflow when parsing malformed URLs (Dan Rosenberg)
  
• Lynx Homepage (Lynx)