Juniper Junos OS Vulnerability (JSA79089)

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

include('compat.inc');

if (description)
{
  script_id(193221);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/19");

  script_cve_id("CVE-2024-30388");
  script_xref(name:"JSA", value:"JSA79089");
  script_xref(name:"IAVA", value:"2024-A-0232");

  script_name(english:"Juniper Junos OS Vulnerability (JSA79089)");

  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 JSA79089
advisory.

  - An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of
    Juniper Networks Junos OS on QFX5000 Series, or an EX4100 Series, EX4400 Series or EX4650 Series device,
    allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). (CVE-2024-30388)

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/2024-04-Security-Bulletin-Junos-OS-QFX5000-Series-and-EX-Series-Specific-malformed-LACP-packets-will-cause-flaps-CVE-2024-30388
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4dd24c36");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA79089");
  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-2024-30388");

  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:"2024/04/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/11");

  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) 2024 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 !~ "^(EX41|EX44|EX465|QFX5)")
{
  audit(AUDIT_DEVICE_NOT_VULN, model);
}

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

var vuln_ranges = [
  {'min_ver':'20.4R3-S4', 'fixed_ver':'20.4R3-S8', 'model':'^(EX41|EX44|EX465|QFX5)'},
  {'min_ver':'21.2R3-S2', 'fixed_ver':'21.2R3-S6', 'model':'^(EX41|EX44|EX465|QFX5)'},
  {'min_ver':'21.4R2', 'fixed_ver':'21.4R3-S4', 'model':'^(EX41|EX44|EX465|QFX5)'},
  {'min_ver':'22.1R2', 'fixed_ver':'22.1R3-S3', 'model':'^(EX41|EX44|EX465|QFX5)'},
  {'min_ver':'22.2', 'fixed_ver':'22.2R3-S1', 'model':'^(EX41|EX44|EX465|QFX5)'},
  {'min_ver':'22.3', 'fixed_ver':'22.3R2-S2', 'model':'^(EX41|EX44|EX465|QFX5)', 'fixed_display':'22.3R2-S2, 22.3R3'},
  {'min_ver':'22.4', 'fixed_ver':'22.4R2-S1', 'model':'^(EX41|EX44|EX465|QFX5)', 'fixed_display':'22.4R2-S1, 22.4R3'}
];

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);