SMTP: VRFY Command
This protocol anomaly triggers when it detects an attempt to use the SMTP VRFY command. This command is not used by most standard clients and servers and can reveal sensitive information about e-mail accounts.
Extended Description
A vulnerability exists in sendmail on all versions of SunOS up to version 4.0.3 which allows remote users user 'bin' access to the vulnerable host. This vulnerability is Sun bug # 1028173.
Affected Products
Sun sunos
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sun