MailScanner Multiple Insecure Temporary Files Vulnerabilities

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_mailscanner_mult_vuln.nasl 7823 2017-11-20 08:54:04Z cfischer $
#
# MailScanner Multiple Insecure Temporary Files Vulnerabilities
#
# Authors:
# Sujit Ghosal <[email protected]>
#
# Copyright:
# Copyright (c) 2008 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_impact = "Successful exploitation will let the attacker execute arbitrary codes
  in the context of the application and can compromise a vulnerable system.";
tag_affected = "MailScanner version prior to 4.74.7-2 on Linux.";
tag_insight = "The flaws are due to,
  - Several autoupdate scripts for f-prot-autoupdate, clamav-autoupdate,
    panda-autoupdate, trend-autoupdate, bitdefender-wrapper, kaspersky-wrapper
    etc. use temporary files in an insecure manner.
  - The SpamAssassin and TNEF handlers use temporary files in an insecure manner.
  These can be exploited to affects local users to overwrite arbitrary files via
  symlink attacks.";
tag_solution = "Upgrade to the latest MailScanner version 4.74.7-2 or later
  http://www.mailscanner.info/downloads.html";
tag_summary = "This host is installed with MailScanner and is prone to multiple
  vulnerabilities.";

if(description)
{
  script_id(800206);
  script_version("$Revision: 7823 $");
  script_tag(name:"last_modification", value:"$Date: 2017-11-20 09:54:04 +0100 (Mon, 20 Nov 2017) $");
  script_tag(name:"creation_date", value:"2008-12-16 16:12:00 +0100 (Tue, 16 Dec 2008)");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_cve_id("CVE-2008-5312", "CVE-2008-5313");
  script_bugtraq_id(32557);
  script_name("MailScanner Multiple Insecure Temporary Files Vulnerabilities");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/33117/");
  script_xref(name : "URL" , value : "http://www.mailscanner.info/ChangeLog");
  script_xref(name : "URL" , value : "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=506353");
  script_xref(name : "URL" , value : "http://www.openwall.com/lists/oss-security/2008/11/29/1");

  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"executable_version");
  script_copyright("Copyright (C) 2008 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("login/SSH/success");
  script_exclude_keys("ssh/no_linux_shell");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  exit(0);
}

include("ssh_func.inc");
include("version_func.inc");

sock = ssh_login_or_reuse_connection();
if(sock)
{
  send_cmd = ssh_cmd(socket:sock, cmd:"MailScanner -v", timeout:120);
  ssh_close_connection();
  if("MailScanner" >< send_cmd)
  {
    scanner_ver =  eregmatch(pattern:"MailScanner version ([0-9.]+)",
                             string:send_cmd);
    if(scanner_ver[1] != NULL)
    {
      #Grep for version prior to 4.74.7
      if(version_is_less_equal(version:scanner_ver[1], test_version:"4.74.7")){
        security_message(0);
      }
    }
  }
}