MailScanner Multiple Insecure Temporary Files Vulnerabilities

# SPDX-FileCopyrightText: 2008 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800206");
  script_version("2023-07-28T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-07-28 05:05:23 +0000 (Fri, 28 Jul 2023)");
  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_name("MailScanner Multiple Insecure Temporary Files Vulnerabilities");
  script_xref(name:"URL", value:"http://secunia.com/advisories/33117/");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32557");
  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 AG");
  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:"Successful exploitation will let the attacker execute arbitrary codes
  in the context of the application and can compromise a vulnerable system.");
  script_tag(name:"affected", value:"MailScanner version prior to 4.74.7-2 on Linux.");
  script_tag(name:"insight", value:"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.");
  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"solution", value:"Upgrade to the latest MailScanner version 4.74.7-2 or later.");
  script_tag(name:"summary", value:"MailScanner is prone to multiple vulnerabilities.");
  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)
    {
      if(version_is_less_equal(version:scanner_ver[1], test_version:"4.74.7")){
        report = report_fixed_ver(installed_version:scanner_ver[1], vulnerable_range:"Less than or equal to 4.74.7");
        security_message(port: 0, data: report);
      }
    }
  }
}