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Xtramail SMTP Multiple Command Remote Overflows

Critical

Synopsis

The remote host is vulnerable to a buffer overflow.

Description

The remote Xtramail SMTP server is vulnerable to a buffer overflow when the user supplies a too long argument to the HELO command. An attacker may use this flaw to execute arbitrary code on this host with the privileges of the Xtramail server (typically, SYSTEM).

Solution

No solution is known at this time.