GitLab 12.0 < 18.0.6 / 18.1 < 18.1.4 / 18.2 < 18.2.2 (CVE-2025-2498)

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

include('compat.inc');

if (description)
{
  script_id(249241);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-2498");
  script_xref(name:"IAVA", value:"2025-A-0586-S");

  script_name(english:"GitLab 12.0 < 18.0.6 / 18.1 < 18.1.4 / 18.2 < 18.2.2 (CVE-2025-2498)");

  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 improper access control in Gitlab EE affecting all versions from 12.0 prior to 18.0.6, 18.1 prior to
    18.1.4, and 18.2 prior to 18.2.2 that under certain conditions could have allowed users to view assigned
    issues from restricted groups by bypassing IP restrictions. (CVE-2025-2498)

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-2025-2498.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0876afa1");
  script_set_attribute(attribute:"see_also", value:"https://gitlab.com/gitlab-org/gitlab/-/issues/525515");
  script_set_attribute(attribute:"see_also", value:"https://hackerone.com/reports/3037722");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 18.0.6, 18.1.4, 18.2.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:S/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:H/PR:L/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-2025-2498");

  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:"2025/08/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/14");

  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 =~ "^18\.(0|1|2)$")
  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' : '12.0', 'fixed_version' : '18.0.6' },
  { 'min_version' : '18.1', 'fixed_version' : '18.1.4' },
  { 'min_version' : '18.2', 'fixed_version' : '18.2.2' }
];

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