Oracle JRocKit Denial of Service Vulnerability (jul2018-4258247) - Linux

# SPDX-FileCopyrightText: 2018 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:oracle:jrockit";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813734");
  script_version("2025-09-19T05:38:25+0000");
  script_cve_id("CVE-2018-2952");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2025-09-19 05:38:25 +0000 (Fri, 19 Sep 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-10-06 18:55:00 +0000 (Thu, 06 Oct 2022)");
  script_tag(name:"creation_date", value:"2018-07-30 14:56:48 +0530 (Mon, 30 Jul 2018)");
  script_name("Oracle JRocKit Denial of Service Vulnerability (jul2018-4258247) - Linux");

  script_tag(name:"summary", value:"Oracle JRocKit is prone to a denial of service (DoS) 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 an error in the
  'Concurrency' component of JRockit.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to conduct a denial-of-service condition.");

  script_tag(name:"affected", value:"Oracle JRockit version R28.3.18 and prior");

  script_tag(name:"solution", value:"Update to Oracle JRockit R28.3.19 or later. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://docs.oracle.com/cd/E15289_01/JRRLN/newchanged.htm#GUID-0DF372A6-33EB-4DD6-AA2D-B4822FF65C03");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/104765");
  script_xref(name:"URL", value:"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html#AppendixJAVA");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_oracle_jrockit_detect_lin.nasl");
  script_mandatory_keys("JRockit/Lin/Ver");
  exit(0);
}

include("host_details.inc");
include("version_func.inc");
include("revisions-lib.inc");

if(!infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE )) exit(0);
rocVer = infos["version"];
path = infos["location"];

if((revcomp(a:rocVer, b: "R28.0") >= 0) && (revcomp(a:rocVer, b: "R28.3.19") < 0))
{
  report = report_fixed_ver(installed_version:rocVer, fixed_version:"R28.3.19", install_path:path);
  security_message(data: report);
  exit(0);
}
exit(99);