CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L
AI Score
Confidence
Low
EPSS
Percentile
17.7%
The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA82989 advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(202118);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/10");
script_cve_id("CVE-2024-39530");
script_xref(name:"JSA", value:"JSA82989");
script_name(english:"Juniper Junos OS Vulnerability (JSA82989)");
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 JSA82989
advisory.
- An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis management daemon
(chassisd) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a
Denial-of-Service (DoS). (CVE-2024-39530)
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/2024-07-Security-Bulletin-Junos-OS-Attempting-to-access-specific-sensors-on-platforms-not-supporting-these-will-lead-to-a-chassisd-crash-CVE-2024-39530
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?797e342f");
script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA82989");
script_set_cvss_base_vector("CVSS2#AV:N/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:N/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-2024-39530");
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:"2024/07/10");
script_set_attribute(attribute:"patch_publication_date", value:"2024/07/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/10");
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_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");
exit(0);
}
include('junos.inc');
var ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');
var vuln_ranges = [
{'min_ver':'21.4R3', 'fixed_ver':'21.4R3-S5'},
{'min_ver':'22.1R3', 'fixed_ver':'22.1R3-S4'},
{'min_ver':'22.2R2', 'fixed_ver':'22.2R3'},
{'min_ver':'22.3R1', 'fixed_ver':'22.3R2-S2', 'fixed_display':'22.3R2-S2, 22.3R3'},
{'min_ver':'22.4R1', 'fixed_ver':'22.4R2'}
];
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_HOLE, port:0, extra:report);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L
AI Score
Confidence
Low
EPSS
Percentile
17.7%