Juniper Junos OS Vulnerability (JSA88104)

#TRUSTED 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
#TRUST-RSA-SHA256 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
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(210408);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/26");

  script_cve_id("CVE-2024-39527");
  script_xref(name:"JSA", value:"JSA88104");
  script_xref(name:"IAVA", value:"2024-A-0650");

  script_name(english:"Juniper Junos OS Vulnerability (JSA88104)");

  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 JSA88104
advisory.

  - An Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the command-line interface
    (CLI) of Juniper Networks Junos OS on SRX Series devices allows a local, low-privileged user with access
    to the Junos CLI to view the contents of protected files on the file system. (CVE-2024-39527)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://supportportal.juniper.net/s/article/2024-10-Security-Bulletin-Junos-OS-SRX-Series-Low-privileged-user-able-to-access-sensitive-information-on-file-system-CVE-2024-39527
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3e04a2b5");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA88104");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-39527");

  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:"2024/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/10/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/11/06");

  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) 2024-2026 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');
include('junos_kb_cmd_func.inc');

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

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

var vuln_ranges = [
  {'min_ver':'0.0', 'fixed_ver':'21.4R3-S8', 'model':'^SRX'},
  {'min_ver':'22.2', 'fixed_ver':'22.2R3-S5', 'model':'^SRX'},
  {'min_ver':'22.3', 'fixed_ver':'22.3R3-S4', 'model':'^SRX'},
  {'min_ver':'22.4', 'fixed_ver':'22.4R3-S4', 'model':'^SRX'},
  {'min_ver':'23.2', 'fixed_ver':'23.2R2-S2', 'model':'^SRX'},
  {'min_ver':'23.4', 'fixed_ver':'23.4R2', 'model':'^SRX'}
];

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);