CMail MAIL FROM Command Remote Overflow

This script is Copyright (C) 1999-2014 Tenable Network Security, Inc.

Synopsis :

The remote mail server has a buffer overflow vulnerability.

Description :

The remote host appears to be running a vulnerable version of CMail.
Issuing a long argument to the 'MAIL FROM' command can result in a
buffer overflow. An attack would look something similar to :


Where AAA[...]AAA contains more than 8000 'A's.

A remote attacker could exploit this issue to crash the mail server,
or possibly to execute arbitrary code.

See also :

Solution :

Contact the vendor for a fix.

Risk factor :

Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.1
Public Exploit Available : true

Family: SMTP problems

Nessus Plugin ID: 10047 (cmail_overflow.nasl)

Bugtraq ID: 633

CVE ID: CVE-1999-1521