Apache Hadoop HDFS Permissive listXAttr Authorization

# SPDX-FileCopyrightText: 2019 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:apache:hadoop";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.141986");
  script_version("2026-01-28T05:49:43+0000");
  script_tag(name:"last_modification", value:"2026-01-28 05:49:43 +0000 (Wed, 28 Jan 2026)");
  script_tag(name:"creation_date", value:"2019-02-12 10:35:05 +0700 (Tue, 12 Feb 2019)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-02-21 17:13:00 +0000 (Thu, 21 Feb 2019)");

  script_cve_id("CVE-2018-1296");

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

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

  script_name("Apache Hadoop HDFS Permissive listXAttr Authorization");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_apache_hadoop_http_detect.nasl");
  script_mandatory_keys("apache/hadoop/detected");

  script_tag(name:"summary", value:"HDFS exposes extended attribute key/value pairs during listXAttrs, verifying
only path-level search access to the directory rather than path-level read permission to the referent. This
affects features that store sensitive data in extended attributes, such as HDFS encryption secrets.");

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

  script_tag(name:"affected", value:"Apache Hadoop 3.0.0-alpha1 to 3.0.0, 2.9.0, 2.8.0 to 2.8.3 and 2.5.0 to
2.7.5.");

  script_tag(name:"solution", value:"If a file contains sensitive data in extended attributes, users and admins
need to change the permission to prevent others from listing the directory which contains the file.");

  script_xref(name:"URL", value:"https://lists.apache.org/thread.html/a5b15bc76fbdad2ee40761aacf954a13aeef67e305f86d483f267e8e@%3Cuser.hadoop.apache.org%3E");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/106764");

  exit(0);
}

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

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

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

if (version_in_range(version: version, test_version: "2.5.0", test_version2: "2.7.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "2.8.0", test_version2: "2.8.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "2.9.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "3.0.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);