Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

BID:11478

Info

Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

Bugtraq ID: 11478
Class: Access Validation Error
CVE:
Remote: Yes
Local: No
Published: Oct 20 2004 12:00AM
Updated: Oct 20 2004 12:00AM
Credit: Discovery of this vulnerability is credited to Jakob Balle of Secunia Research.
Vulnerable: Avant Browser Avant Browser 10.0 Build 029
Avant Browser Avant Browser 9.0
Avant Browser Avant Browser 8.0.2
Not Vulnerable:

Discussion

Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

A cross-domain tab window form field focus vulnerability reportedly affects Avant Browser. This issue is due to an access validation error that allows a web page to gain access to form fields in other web pages rendered in different tabs of the same browser window.

This issue may be leveraged to facilitate convincing phishing style attacks designed to reveal sensitive information such as passwords and financial details.

Exploit / POC

Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

An exploit is not required.

A proof of concept is available from the following location:

http://secunia.com/multiple_browsers_form_field_focus_test/

Solution / Fix

Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

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

References

Avant Browser Cross-Domain Tab Window Form Field Focus Vulnerability

References:

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