Home    |    View Topics    |    Search    |    Contact Us    |   



Category:   Application (E-mail Client)  >   Mozilla Thunderbird Vendors:
Mozilla Thunderbird Certificate Signatures Can Be Forged
SecurityTracker Alert ID:  1016860
SecurityTracker URL:
CVE Reference:   CVE-2006-4340   (Links to External Site)
Date:  Sep 15 2006
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to
Description:   A vulnerability was reported in Mozilla Thunderbird. A remote user may be able to forge certain digital signatures.

If an RSA key with exponent 3 is used, a remote user may be able to forge a PKCS #1 v1.5 signature for that key.

The vulnerability resides in the Mozilla Network Security Services (NSS) library.

Daniel Bleichenbacher reported the type of attack that is possible against PKCS #1 v1.5 signatures.

Philip Mackenzie and Marius Schilder reported that Mozilla is affected.

Impact:   A remote user may be able to forge signatures (and certificates).
Solution:   The vendor has issued a fixed version (

The Mozilla advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 15 2006 (Red Hat Issues Fix) Mozilla Thunderbird Certificate Signatures Can Be Forged
Red Hat has released a fix for Red Hat Enterprise Linux 4.

 Source Message Contents

[Original Message Not Available for Viewing]

Go to the Top of This SecurityTracker Archive Page

Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2021, LLC