Juniper Networks Junos OS vMX Information Leak Vulnerability

# SPDX-FileCopyrightText: 2016 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:/o:juniper:junos";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106352");
  script_version("2023-07-20T05:05:17+0000");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-10-14 09:51:23 +0700 (Fri, 14 Oct 2016)");
  script_tag(name:"cvss_base", value:"1.7");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-09 23:18:00 +0000 (Wed, 09 Oct 2019)");

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

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

  script_cve_id("CVE-2016-4924");

  script_name("Juniper Networks Junos OS vMX Information Leak Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_family("JunOS Local Security Checks");
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_dependencies("gb_juniper_junos_consolidation.nasl");
  script_mandatory_keys("juniper/junos/detected", "juniper/junos/model");

  script_tag(name:"summary", value:"Junos OS on vMX is prone to an information leak vulnerability.");

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

  script_tag(name:"insight", value:"An incorrect permissions vulnerability in vMX may allow local unprivileged
users on a host system read access to vMX or vPFE images and obtain sensitive information contained in them
such as private cryptographic keys.");

  script_tag(name:"impact", value:"An authenticated attacker may obtain sensitive information.");

  script_tag(name:"affected", value:"Junos OS 14.1 and 15.1");

  script_tag(name:"solution", value:"New builds of Junos OS software are available from Juniper.");

  script_xref(name:"URL", value:"http://kb.juniper.net/JSA10766");

  exit(0);
}

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

model = get_kb_item("juniper/junos/model");
if (!model || model !~ '^VMX')
  exit(0);

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

if (revcomp(a: version, b: "14.1R8") < 0) {
  report = report_fixed_ver(installed_version: version, fixed_version: "14.1R8");
  security_message(port: 0, data: report);
  exit(0);
}

if (version =~ "^15") {
  if (revcomp(a: version, b: "15.1F5") < 0) {
    report = report_fixed_ver(installed_version: version, fixed_version: "15.1F6");
    security_message(port: 0, data: report);
    exit(0);
  }
}
if (version =~ "^16") {
  if (revcomp(a: version, b: "16.1R1") < 0) {
    report = report_fixed_ver(installed_version: version, fixed_version: "16.1R1");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);