GitLab 17.3 < 17.11.5 / 18.0 < 18.0.3 / 18.1 < 18.1.1 (CVE-2025-2938)

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

include('compat.inc');

if (description)
{
  script_id(240623);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-2938");
  script_xref(name:"IAVA", value:"2025-A-0457-S");

  script_name(english:"GitLab 17.3 < 17.11.5 / 18.0 < 18.0.3 / 18.1 < 18.1.1 (CVE-2025-2938)");

  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 from 17.3 before 17.11.5, 18.0 before
    18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users to gain elevated project
    privileges by requesting access to projects where role modifications during the approval process resulted
    in unintended permission grants. (CVE-2025-2938)

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/2025/CVE-2025-2938.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2b53b703");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/529006");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/3063091");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 17.11.5, 18.0.3, 18.1.1 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:H/PR:L/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-2025-2938");

  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:"2025/06/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/26");

  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) 2025-2026 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 =~ "^17\.(11)$" || app_info.version =~ "^18\.(0|1)$"))
  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' : '17.3', 'fixed_version' : '17.11.5' },
  { 'min_version' : '18.0', 'fixed_version' : '18.0.3' },
  { 'min_version' : '18.1', 'fixed_version' : '18.1.1' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_NOTE
);