Sendmail Buffer Overflow Vulnerability

# SPDX-FileCopyrightText: 2009 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

CPE = "cpe:/a:sendmail:sendmail";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800609");
  script_version("2024-01-10T05:05:17+0000");
  script_tag(name:"last_modification", value:"2024-01-10 05:05:17 +0000 (Wed, 10 Jan 2024)");
  script_tag(name:"creation_date", value:"2009-05-13 10:01:19 +0200 (Wed, 13 May 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cve_id("CVE-2009-1490");
  script_name("Sendmail Buffer Overflow Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("gb_sendmail_smtp_detect.nasl");
  script_mandatory_keys("sendmail/detected");

  script_xref(name:"URL", value:"http://www.sendmail.org/releases/8.13.2");
  script_xref(name:"URL", value:"http://www.nmrc.org/~thegnome/blog/apr09");

  script_tag(name:"summary", value:"Sendmail is prone to a buffer overflow vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"Buffer overflow error is due to improper handling of long
  X-header.");

  script_tag(name:"impact", value:"Successful exploitation will let the remote attacker to create
  the mangled message by execute arbitrary code, and can cause application crash.");

  script_tag(name:"affected", value:"Sendmail versions prior to 8.13.2.");

  script_tag(name:"solution", value:"Update to version 8.13.2 or later.");

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

  exit(0);
}

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

if(!port = get_app_port(cpe:CPE))
  exit(0);

if(!vers = get_app_version(cpe:CPE, port:port))
  exit(0);

if(version_is_less(version:vers, test_version:"8.13.2")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"8.13.2");
  security_message(port:port, data:report);
  exit(0);
}

exit(99);