Vulnerability in GitLab 9.4 < 14.3.6 / 14.4 < 14.4.4 / 14.5 < 14.5.2 (CVE-2021-39945) allowing unauthorized approval of merge requests
Reporter | Title | Published | Views | Family All 13 |
---|---|---|---|---|
Prion | Improper access control | 13 Dec 202116:15 | – | prion |
OSV | CVE-2021-39945 | 13 Dec 202116:15 | – | osv |
OSV | BIT-gitlab-2021-39945 | 6 Mar 202411:17 | – | osv |
CNVD | GitLab Access Control Error Vulnerability (CNVD-2021-99768) | 10 Dec 202100:00 | – | cnvd |
CVE | CVE-2021-39945 | 13 Dec 202116:15 | – | cve |
NVD | CVE-2021-39945 | 13 Dec 202116:15 | – | nvd |
Veracode | Improper Access Control | 6 Aug 202320:10 | – | veracode |
Cvelist | CVE-2021-39945 | 13 Dec 202115:47 | – | cvelist |
UbuntuCve | CVE-2021-39945 | 13 Dec 202100:00 | – | ubuntucve |
Debian CVE | CVE-2021-39945 | 13 Dec 202116:15 | – | debiancve |
Source | Link |
---|---|
gitlab | www.gitlab.com/gitlab-org/gitlab/-/issues/331675 |
cve | www.cve.mitre.org/cgi-bin/cvename.cgi |
hackerone | www.hackerone.com/reports/1198317 |
nessus | www.nessus.org/u |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(187449);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");
script_cve_id("CVE-2021-39945");
script_name(english:"GitLab 9.4 < 14.3.6 / 14.4 < 14.4.4 / 14.5 < 14.5.2 (CVE-2021-39945)");
script_set_attribute(attribute:"synopsis", value:
"The version of GitLab installed on the remote host is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of GitLab installed on the remote host is affected by a vulnerability, as follows:
- Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6,
all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an
author of a Merge Request to approve the Merge Request even after having their project access revoked
(CVE-2021-39945)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39945.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f45f8341");
script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/331675");
script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/1198317");
script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 14.3.6, 14.4.4, 14.5.2 or later.");
script_set_attribute(attribute:"agent", value:"unix");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/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:H/UI:N/S:U/C:N/I:L/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-2021-39945");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/12/06");
script_set_attribute(attribute:"patch_publication_date", value:"2021/12/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/02");
script_set_attribute(attribute:"plugin_type", value:"combined");
script_set_attribute(attribute:"cpe", value:"cpe:/a:gitlab:gitlab");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("gitlab_webui_detect.nbin", "gitlab_nix_installed.nbin");
script_require_keys("installed_sw/GitLab");
exit(0);
}
include('vcf.inc');
var app = 'GitLab';
var app_info = vcf::combined_get_app_info(app:app);
if (report_paranoia < 2 && max_index(app_info.parsed_version[0]) < 3 && app_info.version =~ "^14\.(3|4|5)$")
if (!empty_or_null(app_info.port))
audit(AUDIT_POTENTIAL_VULN, app, app_info.version, app_info.port);
else
audit(AUDIT_POTENTIAL_VULN, app, app_info.version);
var constraints = [
{ 'min_version' : '9.4', 'fixed_version' : '14.3.6' },
{ 'min_version' : '14.4', 'fixed_version' : '14.4.4' },
{ 'min_version' : '14.5', 'fixed_version' : '14.5.2' }
];
vcf::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_WARNING
);
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