OpenSSL x509 Vulnerability (20250522) - Linux

# SPDX-FileCopyrightText: 2025 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:openssl:openssl";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.154552");
  script_version("2025-06-26T05:40:52+0000");
  script_tag(name:"last_modification", value:"2025-06-26 05:40:52 +0000 (Thu, 26 Jun 2025)");
  script_tag(name:"creation_date", value:"2025-05-23 03:28:06 +0000 (Fri, 23 May 2025)");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:P");

  script_cve_id("CVE-2025-4575");

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

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

  script_name("OpenSSL x509 Vulnerability (20250522) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("General");
  script_dependencies("gb_openssl_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("openssl/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"OpenSSL is prone to a vulnerability in the x509 application.");

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

  script_tag(name:"insight", value:"Use of -addreject option with the openssl x509 application adds
  a trusted use instead of a rejected use for a certificate.");

  script_tag(name:"impact", value:"If a user intends to make a trusted certificate rejected for a
  particular use it will be instead marked as trusted for that use.");

  script_tag(name:"affected", value:"OpenSSL version 3.5 only.");

  script_tag(name:"solution", value:"Update to version 3.5.1 or later.");

  script_xref(name:"URL", value:"https://openssl-library.org/news/secadv/20250522.txt");
  script_xref(name:"URL", value:"https://openssl-library.org/news/vulnerabilities/");

  exit(0);
}

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

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

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_in_range_exclusive(version: version, test_version_lo: "3.5", test_version_up: "3.5.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.5.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);