aMSN SSL Certificate Vulnerability

[Gabriel Menezes Nunes <gab.mnunes () gmail com>]

aMSN SSL Certificate Vulnerability

I. The Vulnerability

aMSN does not check SSL certificate before sending MSN user
credentials. An attacker is able to obtain MSN username and password
with a spoofed certificate and no alert is generated to the user.
This vulnerability was found in aMSN 0.97.2. Other versions may also
be affected.

II. Disclosure Timeline

06/19/2009 - Vendor contact.
06/26/2009 - No answer. Public Disclosure.

III. Vendor

http://www.amsn-project.net/

IV. Credit

Gabriel Menezes Nunes <gab.mnunes [at] gmail (dot) com>