Juniper Junos Kernel Register and Schedule Software Interrupt Handler Subsystem CPU Consumption Remote DoS (JSA10832)

2018-01-26T00:00:00
ID JUNIPER_JSA10832.NASL
Type nessus
Reporter Tenable
Modified 2018-07-12T00:00:00

Description

According to its self-reported version number, the remote Junos device is affected by a denial of service vulnerability.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(106389);
  script_version("1.4");
  script_cvs_date("Date: 2018/07/12 19:01:16");

  script_cve_id("CVE-2018-0004");
  script_xref(name:"JSA", value:"JSA10832");

  script_name(english:"Juniper Junos Kernel Register and Schedule Software Interrupt Handler Subsystem CPU Consumption Remote DoS (JSA10832)");
  script_summary(english:"Checks the Junos version and build date.");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the remote Junos device
is affected by a denial of service vulnerability.");
  # https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10832&actp=METADATA
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?efae4c45");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in
Juniper advisory JSA10832.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/01/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/01/26");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:junos");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Junos Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2018 Tenable Network Security, Inc.");

  script_dependencies("junos_version.nasl");
  script_require_keys("Host/Juniper/JUNOS/Version", "Host/Juniper/model");

  exit(0);
}

include("audit.inc");
include("junos_kb_cmd_func.inc");

ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');
model = get_kb_item_or_exit('Host/Juniper/model');

# Affected:
# 12.1X46 prior to 12.1X46-D50
# 12.3X48 prior to 12.3X48-D30
# 12.3R versions prior to 12.3R12-S7
# 14.1 versions prior to 14.1R8-S4, 14.1R9
# 14.1X53 versions prior to 14.1X53-D30, 14.1X53-D34
# 14.2 versions prior to 14.2R8
# 15.1 versions prior to 15.1F6, 15.1R3
# 15.1X49 versions prior to 15.1X49-D40
# 15.1X53 versions prior to 15.1X53-D31, 15.1X53-D33, 15.1X53-D60
fixes = make_array();
fixes['12.1X46'] = '12.1X46-D50';
fixes['12.3X48'] = '12.3X48-D30';
fixes['12.3R'] = '12.3R12-S7';
if (ver =~ "^14\.1R8")
  fixes['14.1'] = '14.1R8-S4';
else
  fixes['14.1'] = '14.1R9';
fixes['14.2'] = '14.2R8';
if (ver =~ "^15\.1F")
  fixes['15.1'] = '15.1F6';
else
  fixes['15.1'] = '15.1R3';
fixes['15.1X49'] = '15.1X49-D40';
fixes['15.1X53'] = '15.1X53-D31'; # or 15.1X53-D33, 15.1X53-D60
fix = check_junos(ver:ver, fixes:fixes, exit_on_fail:TRUE);

override = FALSE;

junos_report(ver:ver, fix:fix, override:override, severity:SECURITY_HOLE);