CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
25.1%
GitLab is prone to an authorization logic vulnerability.
# SPDX-FileCopyrightText: 2022 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:gitlab:gitlab";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.147958");
script_version("2023-12-06T05:06:11+0000");
script_tag(name:"last_modification", value:"2023-12-06 05:06:11 +0000 (Wed, 06 Dec 2023)");
script_tag(name:"creation_date", value:"2022-04-11 06:18:18 +0000 (Mon, 11 Apr 2022)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-02-16 01:37:00 +0000 (Wed, 16 Feb 2022)");
script_cve_id("CVE-2021-39943");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("GitLab 14.1.x < 14.3.6, 14.4.x < 14.4.4, 14.5.x < 14.5.2 Authorization Logic Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_gitlab_consolidation.nasl");
script_mandatory_keys("gitlab/detected");
script_tag(name:"summary", value:"GitLab is prone to an authorization logic vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"An authorization logic error in the External Status Check API
allowed a user to update the status of the check via an API call.");
script_tag(name:"affected", value:"GitLab version 14.1.x through 14.3.5, 14.4.x through 14.4.3 and
14.5.x through 14.5.1.");
script_tag(name:"solution", value:"Update to version 14.3.6, 14.4.4, 14.5.2 or later.");
script_xref(name:"URL", value:"https://about.gitlab.com/releases/2022/02/03/security-release-gitlab-14-7-1-released/");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (isnull(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_exclusive(version: version, test_version_lo: "14.1", test_version_up: "14.3.6")) {
report = report_fixed_ver(installed_version: version, fixed_version: "14.3.6", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "14.4", test_version_up: "14.4.4")) {
report = report_fixed_ver(installed_version: version, fixed_version: "14.4.4", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "14.5", test_version_up: "14.5.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "14.5.2", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
25.1%