Vulnerabilities > CVE-2006-6484 - Remote Denial of Service vulnerability in MailEnable IMAP Service

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(23783);
  script_version("1.16");
  script_cvs_date("Date: 2018/07/14  1:59:37");

  script_cve_id("CVE-2006-6423", "CVE-2006-6484");
  script_bugtraq_id(21492, 21493);

  script_name(english:"MailEnable IMAP Server Multiple Buffer Overflow Vulnerabilities (ME-10025)");
  script_summary(english:"Checks version of MailEnable's MEIMAPS.exe");

  script_set_attribute(attribute:"synopsis", value:
"The remote IMAP server is affected by multiple buffer overflows." );
  script_set_attribute(attribute:"description", value:
"The IMAP server bundled with the version of MailEnable installed on
the remote host reportedly is affected by multiple and as yet
unspecified buffer overflows. 

Note that it is not currently known whether the issues listed in
ME-10023 and ME-10025 require authentication or not, but successful
exploitation will allow an attacker to crash the service service or to
execute arbitrary code with LOCAL SYSTEM privileges." );
  script_set_attribute(attribute:"see_also", value:"http://www.mailenable.com/hotfix/" );
  script_set_attribute(attribute:"solution", value:
"Apply Hotfix ME-10025." );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'MailEnable IMAPD (2.34/2.35) Login Request Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value: "2006/12/10");
  script_set_attribute(attribute:"patch_publication_date", value: "2006/12/08");
  script_set_attribute(attribute:"vuln_publication_date", value: "2006/12/08");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mailenable:mailenable");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");
  script_copyright(english:"This script is Copyright (C) 2006-2018 Tenable Network Security, Inc.");
  script_dependencies("mailenable_detect.nasl");
  script_require_keys("SMB/MailEnable/Installed");
  script_require_ports(139, 445);

  exit(0);
}


include("misc_func.inc");


if (!get_kb_item("SMB/MailEnable/Installed")) exit(0);
if (get_kb_item("SMB/MailEnable/Standard")) prod = "Standard";
if (get_kb_item("SMB/MailEnable/Professional")) prod = "Professional";
else if (get_kb_item("SMB/MailEnable/Enterprise")) prod = "Enterprise";


# Check version of MEIMAPS.exe.
if (prod == "Professional" || prod == "Enterprise")
{
  kb_base = "SMB/MailEnable/" + prod;
  ver = read_version_in_kb(kb_base+"/MEIMAPS/Version");
  if (isnull(ver)) exit(0);

  # nb: file version for MEIMAPS.exe from ME-10025 is 1.0.0.28.
  if (
    ver[0] == 0 ||
    (ver[0] == 1 && ver[1] == 0 && ver[2] == 0 && ver[3] < 28)
  )
  {
    # Let's make sure the product's version number agrees with what's reportedly affected.
    # nb: MailEnable version numbers are screwy!
    ver2 = get_kb_item(kb_base+"/Version");
    if (isnull(ver2)) exit(0);

    if (
      # 1.6-1.84 Professional Edition
      # 2.0-2.35 Professional Edition
      (prod == "Professional" && ver2 =~ "^(1\.([67]($|[0-9.])|8$|8[0-4])|2\.([0-2]($|[0-9.])|3($|[0-5])))") ||
      # 1.1-1.41 Enterprise Edition
      # 2.0-2.35 Enterprise Edition
      (prod == "Enterprise" && ver2 =~ "^(1\.([1-3]($|[0-9].)|4$|4[01])|2\.([0-2]($|[0-9.])|3($|[0-5])))")
    ) security_hole(get_kb_item("SMB/transport"));
  }
}