OpenSSL 1.0.0 < 1.0.0l DTLS Security Bypass

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

include("compat.inc");

if (description)
{
  script_id(71856);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/21");

  script_cve_id("CVE-2013-6450");
  script_bugtraq_id(64618);

  script_name(english:"OpenSSL 1.0.0 < 1.0.0l DTLS Security Bypass");
  script_summary(english:"Does a banner check");

  script_set_attribute(attribute:"synopsis", value:
"The remote host may be affected by a security bypass vulnerability."
  );
  script_set_attribute(
    attribute:"description",
    value:
"According to its banner, the remote web server is running a version
of OpenSSL 1.0.0 prior to 1.0.0l.  The OpenSSL library is, therefore,
reportedly affected by a security bypass vulnerability related to
handling DTLS processes."
  );
  # Release announce https://www.mail-archive.com/[email protected]/msg00129.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b334dcba");
  # CVE-2013-6450 git commit
  # https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=2d64b51d20375dbf52ca9cd45b5fea9772605935
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?13c00218");
  script_set_attribute(attribute:"solution", value:"Upgrade to OpenSSL 1.0.0l or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2013-6450");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/01/08");

  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) 2014-2023 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' : "1.0.0", 'fixed_version' : '1.0.0l'}];

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