The version of Sendmail 8.13.1-2 on Red Hat Enterprise Linux 4 Update 4 and earlier does not reject the localhost.localdomain domain name for e-mail messages that come from external hosts, which might allow remote attackers to spoof messages.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Enterprise_linux | Redhat | 4.0-update4 (including) | 4.0-update4 (including) |