CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CVSS4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
PASSIVE
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/SC:L/VI:N/SI:N/VA:N/SA:N
AI Score
Confidence
Low
The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA75756 advisory.
Note that Nessus has not tested for this issue 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(205146);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/07");
script_cve_id("CVE-2024-21615");
script_xref(name:"JSA", value:"JSA75756");
script_xref(name:"IAVA", value:"2024-A-0232");
script_name(english:"Juniper Junos OS Vulnerability (JSA75756)");
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 JSA75756
advisory.
- An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a
local, low-privileged attacker to access confidential information on the system. (CVE-2024-21615)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://supportportal.juniper.net/JSA75756");
script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA75756");
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:R/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:"cvss_score_source", value:"CVE-2024-21615");
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:"2024/08/07");
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 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':'21.2R3-S7'},
{'min_ver':'0.0', 'fixed_ver':'21.2R3-S7-EVO'},
{'min_ver':'21.3', 'fixed_ver':'21.3R3-S5-EVO'},
{'min_ver':'21.4', 'fixed_ver':'21.4R3-S5'},
{'min_ver':'21.4', 'fixed_ver':'21.4R3-S5-EVO'},
{'min_ver':'22.1', 'fixed_ver':'22.1R3-S5'},
{'min_ver':'22.1', 'fixed_ver':'22.1R3-S5-EVO'},
{'min_ver':'22.2', 'fixed_ver':'22.2R3-S3'},
{'min_ver':'22.2', 'fixed_ver':'22.2R3-S3-EVO'},
{'min_ver':'22.3', 'fixed_ver':'22.3R3-S2'},
{'min_ver':'22.3', 'fixed_ver':'22.3R3-S2-EVO'},
{'min_ver':'22.4', 'fixed_ver':'22.4R3'},
{'min_ver':'22.4', 'fixed_ver':'22.4R3-EVO'},
{'min_ver':'23.2', 'fixed_ver':'23.2R1-S2'}
];
var override = TRUE;
var buf = junos_command_kb_item(cmd:'show configuration | display set');
if (buf)
{
override = FALSE;
if (!junos_check_config(buf:buf, pattern:"^set system services netconf traceoptions"))
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);
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CVSS4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
PASSIVE
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/SC:L/VI:N/SI:N/VA:N/SA:N
AI Score
Confidence
Low