nginx 1.25.x < 1.25.4 DoS

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(190683);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/10");

  script_cve_id("CVE-2024-24989", "CVE-2024-24990");

  script_name(english:"nginx 1.25.x < 1.25.4 DoS");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server may be affected by multiple denial of service vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its Sever response header, the installed version of nginx is 1.25.x prior to 1.25.4. It may, therefore,
affected by the following vulnerabilities:

  - When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause
    NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is
    considered experimental. (CVE-2024-24989, CVE-2024-24990)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://mailman.nginx.org/pipermail/nginx-announce/2024/NW6MNW34VZ6HDIHH5YFBIJYZJN7FGNAV.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?46b84090");
  script_set_attribute(attribute:"solution", value:
"Upgrade to nginx 1.25.4 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-24989");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2024-24990");

  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:"2024/02/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/02/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/19");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:nginx:nginx");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("nginx_detect.nasl", "nginx_nix_installed.nbin");
  script_require_keys("Settings/ParanoidReport", "installed_sw/nginx");

  exit(0);
}

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

# Vulnerable module is not compiled by default
if (report_paranoia < 2)
  audit(AUDIT_PARANOID);

var appname = 'nginx';
get_install_count(app_name:appname, exit_if_zero:TRUE);

var app_info = vcf::combined_get_app_info(app:appname);
vcf::check_granularity(app_info:app_info, sig_segments:3);

var constraints = [
  { 'min_version' : '1.25.0', 'fixed_version' : '1.25.4' }
];
vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_HOLE
);