OpenSSL < 0.9.8i Denial of Service

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

include("compat.inc");

if (description)
{
  script_id(17761);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/22");

  script_cve_id("CVE-2009-1386");
  script_bugtraq_id(35174);
  script_xref(name:"EDB-ID", value:"8873");

  script_name(english:"OpenSSL < 0.9.8i Denial of Service");
  script_summary(english:"Does a banner check");

  script_set_attribute(attribute:"synopsis", value:
"The remote server is affected by a denial of service
vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its banner, the remote server is running a version of 
OpenSSL that is earlier than 0.9.8i. 

A remote attacker can crash the server by sending a DTLS
ChangeCipherSpec packet before the ClientHello.");
  script_set_attribute(attribute:"see_also", value:"http://cvs.openssl.org/chngview?cn=17369");
  script_set_attribute(attribute:"solution", value:"Upgrade to OpenSSL 0.9.8i or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2009-1386");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/04/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2008/09/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/01/04");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:openssl:openssl");
  script_set_attribute(attribute:"agent", value:"all");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Web Servers");

  script_copyright(english:"This script is Copyright (C) 2012-2023 Tenable Network Security, Inc.");

  script_dependencies("openssl_version.nasl", "openssl_nix_installed.nbin", "openssl_win_installed.nbin");
  script_require_keys("installed_sw/OpenSSL");

  exit(0);
}

include('vcf.inc');
include('vcf_extras_openssl.inc');

var app_info = vcf::combined_get_app_info(app:'OpenSSL');

vcf::check_all_backporting(app_info:app_info);

var constraints = [{ 'min_version' : '0.0.0', 'fixed_version' : '0.9.8i'}];

vcf::openssl::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);