Vulnerabilities > CVE-2019-0064 - Unspecified vulnerability in Juniper Junos 18.2/18.4/19.2

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

include('compat.inc');

if (description)
{
  script_id(133303);
  script_version("1.1");
  script_cvs_date("Date: 2020/01/29");

  script_cve_id(
    "CVE-2019-0047",
    "CVE-2019-0050",
    "CVE-2019-0054",
    "CVE-2019-0055",
    "CVE-2019-0057",
    "CVE-2019-0058",
    "CVE-2019-0059",
    "CVE-2019-0060",
    "CVE-2019-0062",
    "CVE-2019-0063",
    "CVE-2019-0064",
    "CVE-2019-0066",
    "CVE-2019-0067",
    "CVE-2019-0068",
    "CVE-2019-0073",
    "CVE-2019-0075"
  );
  script_xref(name:"IAVA", value:"2019-A-0388");

  script_name(english:"Juniper JSA10970");
  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:
"The version of tested product installed on the remote host is prior to
tested version. It is, therefore, affected by a vulnerability as
referenced in the JSA10970 advisory. Note that Nessus has not tested
for this issue but has instead relied only on the application's self-
reported version number.");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/KB16613");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/KB16765");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/KB16446");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/JSA10970");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper
advisory JSA10970");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0047");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/29");

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

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

  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include('audit.inc');
include('junos.inc');
include('misc_func.inc');

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

fixes['12.1X46'] = '12.1X46-D86';
fixes['12.3'] = '12.3R12-S13';
fixes['12.3X48'] = '12.3X48-D80';
fixes['14.1X53'] = '14.1X53-D51';

if (ver =~ "^15\.1F")
fixes['15.1F'] = '15.1F6-S13';
else
  fixes['15.1'] = '15.1R7-S4';

fixes['15.1X49'] = '15.1X49-D171';
fixes['15.1X53'] = '15.1X53-D69';
fixes['16.1'] = '16.1R7-S5';
fixes['16.2'] = '16.2R2-S9';
fixes['17.1'] = '17.1R3';

if (ver =~ "^17\.2R1")
  fixes['17.2'] = '17.2R1-S8';
else if (ver =~ "^17\.2R2")
  fixes['17.2'] = '17.2R2-S7';
else if (ver =~ "^17\.2R3")
  fixes['17.2'] = '17.2R3-S1';

fixes['17.3'] = '17.3R3-S6';

if (ver =~ "^17\.4R1")
  fixes['17.4'] = '17.4R1-S7';
else if (ver =~ "^17\.4R2")
  fixes['17.4'] = '17.4R2-S4';
else
  fixes['17.4'] = '17.4R3';

fixes['18.1'] = '18.1R3-S5';

if (ver =~ "^18\.2R1")
  fixes['18.2'] = '18.2R1-S5';
else if (ver =~ "^18\.2R2")
  fixes['18.2'] = '18.2R2-S3';
else
  fixes['18.2'] = '18.2R3';

if (ver =~ "^18\.3R1")
  fixes['18.3'] = '18.3R1-S3';
else if (ver =~ "^18\.3R2")
  fixes['18.3'] = '18.3R2';
else if (ver =~ "^18\.3R3")
  fixes['18.3'] = '18.3R3';

if (ver =~ "^18\.4R1")
  fixes['18.4'] = '18.4R1-S2';
else
  fixes['18.4'] = '18.4R2';

fix = check_junos(ver:ver, fixes:fixes, exit_on_fail:TRUE);
report = get_report(ver:ver, fix:fix);
security_report_v4(severity:SECURITY_WARNING, port:0, extra:report);

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

include('compat.inc');

if (description)
{
  script_id(130466);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2019/11/04");

  script_cve_id("CVE-2019-0064");
  script_xref(name:"JSA", value:"JSA10963");
  script_xref(name:"IAVA", value:"2019-A-0388");

  script_name(english:"Junos OS: flowd DoS (JSA10963)");

  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 Juniper Junos device is affected by a denial of service (DoS)
vulnerability in the flowd process on SRX 5000 devices when 'set security zones security-zone <zone> tcp-rst' is
configured. An unauthenticated, remote attacker can send a crafted TCP packet to crash the flowd process and trigger a
new session. Repeated crashes of the flowd daemon can result in an extended DoS condition.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10963");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA10963.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  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_attribute(attribute:"cvss_score_source", value:"CVE-2019-0064");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/04");

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

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Junos Local Security Checks");

  script_dependencies("junos_version.nasl");
  script_require_keys("Host/Juniper/JUNOS/Version", "Host/Juniper/model");
  exit(0);
}

include('audit.inc');
include('junos.inc');
include('junos_kb_cmd_func.inc');
include('misc_func.inc');

ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');
model = get_kb_item_or_exit('Host/Juniper/model');
# SRX5000 Series
if ( 'SRX5' >!< model)
  audit(AUDIT_INST_VER_NOT_VULN, 'Junos', ver);

fixes = make_array();
fixes['18.2'] = '18.2R3-S1';
fixes['18.4'] = '18.4R2-S1';
fixes['19.2'] = '19.2R1-S1';
fixes['19.3'] = '19.3R1';

fix = check_junos(ver:ver, fixes:fixes, exit_on_fail:TRUE);

# If  'set security zones security-zone <zone> tcp-rst' isn't configured, audit out.
override = TRUE;
buf = junos_command_kb_item(cmd:'show configuration | display set');
if (buf)
{
  override = FALSE;
  pattern = "^set security zones security-zone .* tcp-rst";
  if (!junos_check_config(buf:buf, pattern:pattern))
    audit(AUDIT_HOST_NOT, 'vulnerable as it does not appear to have a security zone with tcp-rst enabled.');
}

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