Vulnerabilities > CVE-2019-0059 - Memory Leak vulnerability in Juniper Junos 18.1/18.1X75

#
# (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(130468);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2019/11/04");

  script_cve_id("CVE-2019-0059");
  script_xref(name:"JSA", value:"JSA10957");
  script_xref(name:"IAVA", value:"2019-A-0388");

  script_name(english:"Junos OS: rdp Memory Leak DoS (JSA10957)");

  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 memory leak
vulnerability in the routing protocol process (rdp) which can result in a denial of service (DoS) condition. An
unauthenticated, remote attacker can exploit this issue, by sending specific commands from a peered BGP host and having
those BGP states delivered to the vulnerable device, to cause the system to stop responding. 

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=JSA10957");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA10957.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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-2019-0059");

  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");
  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');

fixes = make_array();
# Note that the advisory has contradictory information in the problem and solution sections. 
# This plugin follows the solution section.
fixes['18.1'] = '18.1R2-S4';
fixes['18.2'] = '18.2R1';
fixes['18.2X75'] = '18.2X75-D5';

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

# If BGP is not enabled, audit out.
# Same as juniper_jsa10799.nasl
override = TRUE;
buf = junos_command_kb_item(cmd:'show bgp neighbor');
if (buf)
{
  override = FALSE;
  if (preg(string:buf, pattern:"BGP.* instance is not running", icase:TRUE, multiline:TRUE))
    audit(AUDIT_HOST_NOT, "affected because BGP is not enabled");
}

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