hMailServer IMAP Denial of Service Vulnerability

# 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("1.3.6.1.4.1.25623.1.0.900109");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2008-08-22 10:29:01 +0200 (Fri, 22 Aug 2008)");
  script_cve_id("CVE-2008-3676");
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_name("hMailServer IMAP Denial of Service Vulnerability");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/495361");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/30663");
  script_xref(name:"URL", value:"http://secunia.com/advisories/31480/");
  script_xref(name:"URL", value:"http://www.hmailserver.com/?page=download_mirrors&downloadid=144");

  script_tag(name:"summary", value:"hMailServer is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"insight", value:"The flaw is due to an error in the mail server that can be exploited
  by sending large numbers of IMAP commands.");

  script_tag(name:"affected", value:"hMailServer version 4.4.1 - Build 273 and prior");

  script_tag(name:"solution", value:"Fixed in development version 4.4.2 (build 279).");

  script_tag(name:"impact", value:"Exploitation will cause the server to crash and deny access
  to legitimate users.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"registry");

  exit(0);
}

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

key = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1";
if(!registry_key_exists(key:key)){
  exit(0);
}

hmsVer = registry_get_sz(key:key, item:"DisplayName");
if(!hmsVer){
  exit(0);
}

if(egrep(pattern:"hMailServer ([0-3]\..*|4\.([0-3]\..*|4\.[01]))", string:hmsVer)){
  report = report_fixed_ver(installed_version:hmsVer, fixed_version:"4.4.2 (build 279)");
  security_message(port:0, data:report);
  exit(0);
}

exit(99);