Juniper Junos OS Vulnerability (JSA70210)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(169948);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/20");

  script_cve_id("CVE-2023-22414");
  script_xref(name:"JSA", value:"JSA70210");
  script_xref(name:"IAVA", value:"2023-A-0041");

  script_name(english:"Juniper Junos OS Vulnerability (JSA70210)");

  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 Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA70210
advisory.

  - A Missing Release of Memory after Effective Lifetime vulnerability in Flexible PIC Concentrator (FPC) of
    Juniper Networks Junos OS allows an adjacent, unauthenticated attacker from the same shared physical or
    logical network, to cause a heap memory leak and leading to FPC crash. (CVE-2023-22414)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://supportportal.juniper.net/s/article/2023-01-Security-Bulletin-Junos-OS-PTX-Series-and-QFX10000-Series-An-FPC-memory-leak-is-observed-when-specific-multicast-packets-are-processed-CVE-2023-22414
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9aec50cb");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA70210");
  script_set_cvss_base_vector("CVSS2#AV:A/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:A/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:"cvss_score_source", value:"CVE-2023-22414");

  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:"2023/01/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/01/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/01/12");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:junos");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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) 2023 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('junos.inc');

var model = get_kb_item_or_exit('Host/Juniper/model');
if (model !~ "^(PTX|QFX1)")
{
  audit(AUDIT_DEVICE_NOT_VULN, model);
}

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

var vuln_ranges = [
  {'min_ver':'20.2', 'fixed_ver':'20.2R3-S6', 'model':'^(PTX|QFX1)'},
  {'min_ver':'20.3', 'fixed_ver':'20.3R3-S6', 'model':'^(PTX|QFX1)'},
  {'min_ver':'20.4', 'fixed_ver':'20.4R3-S4', 'model':'^(PTX|QFX1)'},
  {'min_ver':'21.1', 'fixed_ver':'21.1R3-S3', 'model':'^(PTX|QFX1)'},
  {'min_ver':'21.2', 'fixed_ver':'21.2R3-S1', 'model':'^(PTX|QFX1)'},
  {'min_ver':'21.3', 'fixed_ver':'21.3R3', 'model':'^(PTX|QFX1)'},
  {'min_ver':'21.4', 'fixed_ver':'21.4R3', 'model':'^(PTX|QFX1)'},
  {'min_ver':'22.1', 'fixed_ver':'22.1R2', 'model':'^(PTX|QFX1)'},
  {'min_ver':'22.2', 'fixed_ver':'22.2R2', 'model':'^(PTX|QFX1)'}
];

var fix = junos_compare_range(target_version:ver, vuln_ranges:vuln_ranges);
if (empty_or_null(fix)) audit(AUDIT_INST_VER_NOT_VULN, 'Junos OS', ver);
var report = get_report(ver:ver, fix:fix);
security_report_v4(severity:SECURITY_WARNING, port:0, extra:report);