Citadel SMTP makeuserkey Function RCPT TO Command Remote Overflow

This script is Copyright (C) 2008-2016 Tenable Network Security, Inc.

Synopsis :

The remote mail server is prone to a buffer overflow attack.

Description :

The remote server is running Citadel, an open source solution for
email and collaboration.

According to its version, the installation of Citadel on the remote
host uses insufficient bounds-checking in its SMTP service during
memory-copy operations when processing input to the RCPT TO command.
An unauthenticated, remote attacker may be able to leverage this issue
to cause a stack-based buffer overflow, resulting in a crash of the
affected service or even execution of arbitrary code.

Solution :

Upgrade to Citadel version 7.11 or later.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.9
Public Exploit Available : true

Family: SMTP problems

Nessus Plugin ID: 30123 (citadel_smtp_rcpt_overflow.nasl)

Bugtraq ID: 27376

CVE ID: CVE-2008-0394

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