7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%
The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA69908 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(166071);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/20");
script_cve_id("CVE-2022-22251");
script_xref(name:"JSA", value:"JSA69908");
script_name(english:"Juniper Junos OS Vulnerability (JSA69908)");
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 JSA69908
advisory.
- On cSRX Series devices software permission issues in the container filesystem and stored files combined
with storing passwords in a recoverable format in Juniper Networks Junos OS allows a local, low-privileged
attacker to elevate their permissions to take control of any instance of a cSRX software deployment.
(CVE-2022-22251)
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/2022-10-Security-Bulletin-cSRX-Series-Storing-Passwords-in-a-Recoverable-Format-and-software-permissions-issues-allows-a-local-attacker-to-elevate-privileges-CVE-2022-22251
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6ff9ed7a");
script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA69908");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
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:H/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-2022-22251");
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:"2022/10/12");
script_set_attribute(attribute:"patch_publication_date", value:"2022/10/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/10/12");
script_set_attribute(attribute:"plugin_type", value:"combined");
script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:junos");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Junos Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022-2023 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 !~ "^cSRX")
{
audit(AUDIT_DEVICE_NOT_VULN, model);
}
var ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');
var vuln_ranges = [
{'min_ver':'20.2', 'fixed_ver':'20.2R1', 'model':'^cSRX'}
];
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);