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HistoryOct 18, 2023 - 12:00 a.m.

MediaWiki 1.36.x < 1.39.5, 1.40.x < 1.40.1 Incorrect Permissions Vulnerability - Linux

2023-10-1800:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
7
mediawiki
vulnerability
permissions
linux
version 1.39.5
version 1.40.1
cve-2023-45364
security advisory

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.5

Confidence

High

EPSS

0

Percentile

13.3%

MediaWiki is prone to an incorrect permissions vulnerability.

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.0.170609");
  script_version("2024-07-16T05:05:43+0000");
  script_tag(name:"last_modification", value:"2024-07-16 05:05:43 +0000 (Tue, 16 Jul 2024)");
  script_tag(name:"creation_date", value:"2023-10-18 19:13:34 +0000 (Wed, 18 Oct 2023)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-10-12 16:03:00 +0000 (Thu, 12 Oct 2023)");

  script_cve_id("CVE-2023-45364");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("MediaWiki 1.36.x < 1.39.5, 1.40.x < 1.40.1 Incorrect Permissions Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_mediawiki_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("mediawiki/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"MediaWiki is prone to an incorrect permissions vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"Deleted revision existence is leaked due to incorrect
  permissions being checked. This reveals that a given revision ID belonged to the given page title,
  and its timestamp, both of which are not supposed to be public information.");

  script_tag(name:"affected", value:"MediaWiki versions 1.36.x through 1.39.4 and 1.40.");

  script_tag(name:"solution", value:"Update to version 1.39.5, 1.40.1 or later.");

  script_xref(name:"URL", value:"https://lists.wikimedia.org/hyperkitty/list/[email protected]/message/BRWOWACCHMYRIS7JRTT6XD44X3362MVL/");
  script_xref(name:"URL", value:"https://phabricator.wikimedia.org/T264765");

  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_in_range(version: version, test_version: "1.36.0", test_version2: "1.39.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.39.5", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "1.40.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.40.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.5

Confidence

High

EPSS

0

Percentile

13.3%