Exim string_format Function Remote Overflow

This script is Copyright (C) 2010-2016 Tenable Network Security, Inc.

Synopsis :

The remote service has a buffer overflow.

Description :

A heap overflow vulnerability exists in the version of exim
installed on the remote host.

By sending a specially crafted message to the server, a remote
attacker can leverage this vulnerability to execute arbitrary code on
the server with the privilege of the exim server. A separate vulnerability
that Nessus didn't test for, CVE-2010-4345, is often used to elevate the
exim user to root access.

Note that Nessus checked for this vulnerability by sending a specially
crafted packet and checking the response, without crashing the

All 4.6x versions 4.69-9 and below are known to be affected, and others
may be as well.

See also :


Solution :

Upgrade to version 4.70 as it addresses the issue.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : true

Family: SMTP problems

Nessus Plugin ID: 51179 ()

Bugtraq ID: 45308

CVE ID: CVE-2010-4344

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