Juniper Junos OS Vulnerability (JSA88138)

#TRUSTED 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
#TRUST-RSA-SHA256 a85fda5d6ea5158c3bfaa31210a8d12b5d9cbed4d9105b1d005f867d8bfdd626a34004000dd1633e0ef2c8918ef9bc57bec923a3d098ac17fe25b8675e5a783f245bc5c87eed166fd08e32510e53587c7bb204d0e3836c8e33f869ec2acd36a5180da9d4152c8ec18ba5c933a81104b83131916daa13570eb5be82191c452007a2ff4b439edd7dfaca1660524d4d83c189d697d63ff802682d66c7be2e8b1a2a2b7af77c4ba8b82ee4e5ff2c27292d10e5d15394c853b342637ddeb8a4c913d604868dadc34ff82c9756afdd9dcf042d032ef62cfd7f55af1007178192c1b54dab71ce0c15b629693302898b48b7c3d7b646d33895e5a82c24dff362ce56936c9b6964c3982aae503d51ebb6a2ce7fba31225966f72bee4253938a67c8e404596cab3e892e391b821850237e6402bae73cbcc2044c71f145375b350361c186f0c7b3176f834fb4f4741d848a633482d6a118e4c8c56f11d8b736f1b78cfab762b48df4efc72826dcce2dd98f90b0a0c0c27c0abc1c4bc1672453f0d6a534ad647b5da4a1de1abc3df0696b3965dad5c13a9cc20fd5cfb63d29643b7a32ecfc91f97e91a6f3c2c25314ac1457b7e89d317a75fcca19749c57abd79518f9ed280ee33cd4a1e9122f08ebf0d1ffe27a814e6056548b020b3e4904070d30c59d589f22314063154909de7509ee1920c560eecc01dbc3b43b598fc664495d296cd29e
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(211998);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/29");

  script_cve_id("CVE-2024-47507");
  script_xref(name:"JSA", value:"JSA88138");
  script_xref(name:"IAVA", value:"2024-A-0650");

  script_name(english:"Juniper Junos OS Vulnerability (JSA88138)");

  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 JSA88138
advisory.

  - An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd)
    of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to
    cause an integrity impact to the downstream devices. (CVE-2024-47507)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/JSA88138");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA88138");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/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:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N");
  script_set_attribute(attribute:"cvss4_supplemental", value:"CVSS:4.0/RE:M");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-47507");

  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:"2024/12/02");

  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");

  exit(0);
}

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


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

var vuln_ranges = [
  {'min_ver':'0.0', 'fixed_ver':'21.4R3-S6'},
  {'min_ver':'0.0-EVO', 'fixed_ver':'21.4R3-S7-EVO'},
  {'min_ver':'22.2', 'fixed_ver':'22.2R3-S3'},
  {'min_ver':'22.2-EVO', 'fixed_ver':'22.2R3-S4-EVO'},
  {'min_ver':'22.4', 'fixed_ver':'22.4R3'},
  {'min_ver':'22.4-EVO', 'fixed_ver':'22.4R3-EVO'}
];

var override = TRUE;
var buf = junos_command_kb_item(cmd:'show configuration | display set');
if (buf)
{
  override = FALSE;
  if (!preg(string:buf, pattern:"^set protocols bgp group.*neighbor", multiline:TRUE))
    audit(AUDIT_HOST_NOT, 'using a vulnerable configuration');
}

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