Juniper Networks Junos OS QFX Series: Insufficient Entropy 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("1.3.6.1.4.1.25623.1.0.106070");
  script_version("2023-07-21T05:05:22+0000");
  script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-05-07 00:09:00 +0200 (Sat, 07 May 2016)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/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:"2016-04-20 21:23:00 +0000 (Wed, 20 Apr 2016)");

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

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

  script_cve_id("CVE-2016-1273");

  script_name("Juniper Networks Junos OS QFX Series: Insufficient Entropy 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 QFX series is prone to an insufficient
entropy vulnerability");

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

  script_tag(name:"insight", value:"QFX series devices may have insufficient entropy.
This can affect system mechanisms that depend on high-quality random numbers such as
encryption and authentication.");

  script_tag(name:"impact", value:"This vulnerability can affect system mechanisms
that depend on high-quality random numbers such as encryption and authentication.");

  script_tag(name:"affected", value:"Junos OS 13.2, 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/JSA10746");

  exit(0);
}

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

model = get_kb_item("juniper/junos/model");
if (!model || (model !~ '^QFX(5100|10002)'))
  exit(99);

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

if (revcomp(a: version, b: "13.2X51-D40") < 0) {
  report = report_fixed_ver(installed_version: version, fixed_version: "13.2X51-D40");
  security_message(port: 0, data: report);
  exit(0);
}

if ((revcomp(a: version, b: "14.1X53-D30") < 0) &&
    (revcomp(a: version, b: "14.1X53") >= 0)) {
  report = report_fixed_ver(installed_version: version, fixed_version: "14.1X53-D30");
  security_message(port: 0, data: report);
  exit(0);
}

if ((revcomp(a: version, b: "15.1X53-D20") < 0) &&
    (revcomp(a: version, b: "15.1X53") >= 0)) {
  report = report_fixed_ver(installed_version: version, fixed_version: "15.1X53-D20");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);