CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
37.8%
Greenbone OS is prone to a reflected cross-site scripting (XSS)
vulnerability in the Greenbone Security Assistant (GSA) web user interface.
# SPDX-FileCopyrightText: 2019 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/o:greenbone:greenbone_os";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.142853");
script_version("2023-10-27T05:05:28+0000");
script_tag(name:"last_modification", value:"2023-10-27 05:05:28 +0000 (Fri, 27 Oct 2023)");
script_tag(name:"creation_date", value:"2019-09-06 02:27:18 +0000 (Fri, 06 Sep 2019)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-22 18:18:00 +0000 (Tue, 22 Jun 2021)");
script_cve_id("CVE-2019-25047");
script_tag(name:"qod_type", value:"remote_analysis");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Greenbone OS 5.0.x < 5.0.10 XSS Vulnerability - Active Check");
script_category(ACT_ATTACK);
script_copyright("Copyright (C) 2019 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_greenbone_os_consolidation.nasl");
script_mandatory_keys("greenbone/gos/http/detected");
script_tag(name:"summary", value:"Greenbone OS is prone to a reflected cross-site scripting (XSS)
vulnerability in the Greenbone Security Assistant (GSA) web user interface.");
script_tag(name:"affected", value:"All GSM models except GSM 25, GSM 25V and GSM 35 running
Greenbone OS 5.0.x prior to version 5.0.10.");
script_tag(name:"solution", value:"Update to version 5.0.10 or later.");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_xref(name:"URL", value:"https://github.com/greenbone/gsa/issues/1601");
script_xref(name:"URL", value:"https://github.com/greenbone/gsa/pull/1603");
script_xref(name:"URL", value:"https://www.greenbone.net/en/roadmap-lifecycle/");
exit(0);
}
include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("misc_func.inc");
if (!port = get_app_port(cpe: CPE, service: "www"))
exit(0);
if (!dir = get_app_location(cpe: CPE, port: port))
exit(0);
if (dir == "/")
dir = "";
vt_strings = get_vt_strings();
pattern = vt_strings["lowercase_rand"];
url = "/%0a%0a%3Cscript%3Ealert('" + pattern + "');%3C/script%3Etest";
req = http_get(port: port, item: url);
res = http_keepalive_send_recv(port: port, data: req);
if (!res)
exit(0);
check = '<p>The requested URL /\n\n<script>alert(\'' + pattern + '\');</script>test is not available</p>';
if (res =~ "HTTP/1\.[01] 404" && check >< res) {
report = http_report_vuln_url(port: port, url: url);
security_message(port: port, data: report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
37.8%