CVSS3
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
Confidence
High
EPSS
Percentile
17.0%
The version of GitLab installed on the remote host is affected by a vulnerability, as follows:
super_sidebar_logged_out
feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors. (CVE-2023-5831)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(185480);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");
script_cve_id("CVE-2023-5831");
script_xref(name:"IAVA", value:"2023-A-0599-S");
script_name(english:"GitLab 16.0 < 16.3.6 / 16.4 < 16.4.2 / 16.5 < 16.5.1 (CVE-2023-5831)");
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:
- An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all
versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have
the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature
flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors. (CVE-2023-5831)
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/2023/CVE-2023-5831.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?587e3561");
script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/428919");
script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 16.3.6, 16.4.2, 16.5.1 or later.");
script_set_attribute(attribute:"agent", value:"unix");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/UI:N/S:U/C:L/I:N/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-2023-5831");
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:"2023/10/31");
script_set_attribute(attribute:"patch_publication_date", value:"2023/10/31");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/13");
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:"stig_severity", value:"I");
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) 2023-2024 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 =~ "^16\.(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' : '16.0', 'fixed_version' : '16.3.6' },
{ 'min_version' : '16.4', 'fixed_version' : '16.4.2' },
{ 'min_version' : '16.5', 'fixed_version' : '16.5.1' }
];
vcf::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_WARNING
);
CVSS3
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
Confidence
High
EPSS
Percentile
17.0%