Mail in Apple Mac OS X 10.4.11 and 10.5.1, when an SMTP account has been set up using Account Assistant, can use plaintext authentication even when MD5 Challenge-Response authentication is available, which makes it easier for remote attackers to sniff account activity.
| Software | From | Fixed in |
|---|---|---|
| apple / mac_os_x | 10.5.1 | 10.5.1.x |
| apple / mac_os_x | 10.4.11 | 10.4.11.x |