FreeBSD : exim -- two buffer overflow vulnerabilities (ca9ce879-5ebb-11d9-a01c-0050569f0001)

This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

1. The function host_aton() can overflow a buffer if it is presented
with an illegal IPv6 address that has more than 8 components.

2. The second report described a buffer overflow in the function
spa_base64_to_bits(), which is part of the code for SPA
authentication.

See also :

http://www.exim.org/mail-archives/exim-announce/2005/msg00000.html
http://marc.info/?l=bugtraq&m=110573573800377
http://www.nessus.org/u?cdbdb4e3

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : true

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 19118 (freebsd_pkg_ca9ce8795ebb11d9a01c0050569f0001.nasl)

Bugtraq ID: 12185
12188
12268

CVE ID: CVE-2005-0021
CVE-2005-0022

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