3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
3.5 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.8 Low
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.6%
The version of GitLab installed on the remote host is affected by a vulnerability, as follows:
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(187534);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");
script_cve_id("CVE-2021-39881");
script_name(english:"GitLab 7.7 < 14.1.7 / 14.2 < 14.2.5 / 14.3 < 14.3.1 (CVE-2021-39881)");
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:
- In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an
OAuth client application with arbitrary scope names which may allow the malicious user to trick
unsuspecting users to authorize the malicious client application using the spoofed scope name and
description. (CVE-2021-39881)
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-2021-39881.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?37e00981");
script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/26695");
script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/494530");
script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 14.1.7, 14.2.5, 14.3.1 or later.");
script_set_attribute(attribute:"agent", value:"unix");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/UI:R/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-2021-39881");
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:"2021/09/30");
script_set_attribute(attribute:"patch_publication_date", value:"2021/09/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/03");
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\.(1|2|3)$")
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' : '7.7', 'fixed_version' : '14.1.7' },
{ 'min_version' : '14.2', 'fixed_version' : '14.2.5' },
{ 'min_version' : '14.3', 'fixed_version' : '14.3.1' }
];
vcf::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_NOTE
);
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
3.5 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.8 Low
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.6%