Opera Web Browser JavaScript Denial Of Service Vulnerability

Bugtraq ID:	10997
Class:	Design Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 21 2004 12:00AM
Updated:	May 24 2007 07:21PM
Credit:	"sourvivor" <[email protected]> disclosed this vulnerability.
Vulnerable:	Opera Software Opera Web Browser 7.23
Not Vulnerable:

Opera Web Browser JavaScript Denial Of Service Vulnerability

Opera Web Browser is reported prone to a JavaScript denial-of-service vulnerability.

This vulnerability presents itself when Opera attempts to execute a specific JavaScript command. When executing this command, Opera will reportedly crash.

This issue affects Opera 7.23 for Microsoft Windows; other versions are also likely affected.

Opera Web Browser JavaScript Denial Of Service Vulnerability

An exploit is not required. An example sufficient to exploit this vulnerability was provided:

<scr1pt>
document.getElementsByTagName("script")[0].text = "";
</scr1pt>

Opera Web Browser JavaScript Denial Of Service 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].

Opera Web Browser JavaScript Denial Of Service Vulnerability

References:

• [Full-Disclosure] Opera Crash ("sourvivor" )