GitLab 11.6 < 16.3.6 / 16.4 < 16.4.2 / 16.5 < 16.5.1 (CVE-2023-3399)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(185483);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/17");

  script_cve_id("CVE-2023-3399");
  script_xref(name:"IAVA", value:"2023-A-0599-S");

  script_name(english:"GitLab 11.6 < 16.3.6 / 16.4 < 16.4.2 / 16.5 < 16.5.1 (CVE-2023-3399)");

  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 EE affecting all versions starting from 11.6 before 16.3.6, all
    versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible
    for an unauthorised project or group member to read the CI/CD variables using the custom project
    templates. (CVE-2023-3399)

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-2023-3399.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?51c578c1");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/416244");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/2021616");
  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:S/C:C/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:L/UI:N/S:C/C:H/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-2023-3399");

  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' : '11.6', '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
);