CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
15.5%
MediaWiki is prone to an access control vulnerability.
# SPDX-FileCopyrightText: 2024 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:/a:mediawiki:mediawiki";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.124661");
script_version("2024-07-26T15:38:40+0000");
script_tag(name:"last_modification", value:"2024-07-26 15:38:40 +0000 (Fri, 26 Jul 2024)");
script_tag(name:"creation_date", value:"2024-05-28 10:28:12 +0000 (Tue, 28 May 2024)");
script_tag(name:"cvss_base", value:"6.4");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:N");
script_cve_id("CVE-2024-34502");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("MediaWiki < 1.39.6, 1.40.x < 1.40.2, 1.41.x < 1.41.1 Access Control Vulnerability - Windows");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2024 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_mediawiki_http_detect.nasl", "os_detection.nasl");
script_mandatory_keys("mediawiki/detected", "Host/runs_windows");
script_tag(name:"summary", value:"MediaWiki is prone to an access control vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Loading Special:MergeLexemes will (attempt to) make an edit
that merges the from-id to the to-id, even if the request was not a POST request, and even if
it does not contain an edit token.");
script_tag(name:"affected", value:"MediaWiki prior to version 1.39.6, 1.40.x prior to
1.40.2 and 1.41.x prior to 1.41.1.");
script_tag(name:"solution", value:"Update to version 1.39.6, 1.40.2, 1.41.1 or later.");
script_xref(name:"URL", value:"https://phabricator.wikimedia.org/T357101");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!port = get_app_port(cpe: CPE))
exit(0);
if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
exit(0);
version = infos["version"];
location = infos["location"];
if (version_is_less(version:version, test_version:"1.39.6")) {
report = report_fixed_ver(installed_version:version, fixed_version:"1.39.6", install_path:location);
security_message(data:report, port:port);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "1.40.0", test_version_up: "1.40.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "1.40.2", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "1.41.0", test_version_up: "1.41.1")) {
report = report_fixed_ver(installed_version: version, fixed_version: "1.41.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);