Apache Hadoop 'MapReduce' Information Disclosure Vulnerability

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.811401");
  script_version("2026-01-28T05:49:43+0000");
  script_cve_id("CVE-2015-1776");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2026-01-28 05:49:43 +0000 (Wed, 28 Jan 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/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:"2016-11-28 19:18:00 +0000 (Mon, 28 Nov 2016)");
  script_tag(name:"creation_date", value:"2017-06-27 20:31:53 +0530 (Tue, 27 Jun 2017)");
  script_name("Apache Hadoop 'MapReduce' Information Disclosure Vulnerability");

  script_tag(name:"summary", value:"Apache Hadoop is prone to an information disclosure vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to apache hadoop encrypts
  intermediate data generated by a MapReduce job and stores it along with the
  encryption key in a credentials file on disk when the Intermediate data encryption
  feature is enabled.");

  script_tag(name:"impact", value:"Successful exploitation will allow local users to
  obtain sensitive information by reading the file.");

  script_tag(name:"affected", value:"All versions of Hadoop 2.6.x");

  script_tag(name:"solution", value:"Upgrade to Apache Hadoop version 2.7.x or
  later or disable the feature when running MapReduce jobs.");

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

  script_xref(name:"URL", value:"http://seclists.org/oss-sec/2016/q1/344");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/83259");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_apache_hadoop_http_detect.nasl");
  script_mandatory_keys("apache/hadoop/detected");

  exit(0);
}

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

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

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

if(vers =~ "^2\.6") {
  report = report_fixed_ver(installed_version:vers, fixed_version:"2.7.x");
  security_message(port:port, data:report);
  exit(0);
}

exit(99);