CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
52.6%
The version of SolarWinds Serv-U installed on the remote host is prior to 15.4. It is, therefore, affected by an exposure of sensitive information vulnerability as referenced in the vendor 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(177024);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/17");
script_cve_id("CVE-2023-23841");
script_xref(name:"IAVA", value:"2023-A-0278-S");
script_name(english:"SolarWinds Serv-U < 15.4 Exposure of Sensitive Information (CVE-2023-23841)");
script_set_attribute(attribute:"synopsis", value:
"The remote FTP server is affected by an exposure of sensitive information vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of SolarWinds Serv-U installed on the remote host is prior to 15.4. It is, therefore, affected by
an exposure of sensitive information vulnerability as referenced in the vendor advisory.
- SolarWinds Serv-U submits an HTTP request when changing or updating the File Share or File request attributes.
When this occurs, part of the URL of the request discloses sensitive data. (CVE-2023-23841)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported
version number.");
# https://www.solarwinds.com/trust-center/security-advisories/cve-2023-23841
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c7a3b2ca");
script_set_attribute(attribute:"solution", value:
"Upgrade to Serv-U version 15.4 or later.");
script_set_attribute(attribute:"agent", value:"all");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/AC:L/PR:N/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:"cvss_score_source", value:"CVE-2023-23841");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/05/16");
script_set_attribute(attribute:"patch_publication_date", value:"2023/05/17");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/09");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:solarwinds:serv-u");
script_set_attribute(attribute:"cpe", value:"cpe:/a:solarwinds:serv-u_file_server");
script_set_attribute(attribute:"cpe", value:"cpe:/a:serv-u:serv-u");
script_set_attribute(attribute:"generated_plugin", value:"former");
script_set_attribute(attribute:"stig_severity", value:"I");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"FTP");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("servu_version.nasl");
script_require_keys("installed_sw/Serv-U");
exit(0);
}
include('vcf.inc');
include('vcf_extras.inc');
include('ftp_func.inc');
var port = get_ftp_port(default:21);
var app_info = vcf::get_app_info(app:'Serv-U', port:port);
var constraints = [
{ 'min_version' : '0.0', 'max_version' : '15.3.2', 'fixed_version' : '15.4' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE );