GitLab < 15.5.7 / 15.6 < 15.6.4 / 15.7 < 15.7.2 (CVE-2022-4167)

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

include('compat.inc');

if (description)
{
  script_id(171164);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/02/16");

  script_cve_id("CVE-2022-4167");
  script_xref(name:"IAVA", value:"2023-A-0032-S");

  script_name(english:"GitLab < 15.5.7 / 15.6 < 15.6.4 / 15.7 < 15.7.2 (CVE-2022-4167)");

  script_set_attribute(attribute:"synopsis", value:
"The GitLab instance installed on the remote host is affected by an improper authorization vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of GitLab installed on the remote host is prior to 15.5.7, 15.6.4, 15.7.2. It is, therefore, affected by an 
improper authorization vulnerability as referenced in the SECURITY-RELEASE-GITLAB-15-7-2-RELEASED advisory.

  - Incorrect Authorization check affecting all versions of GitLab EE from 13.11 prior to 15.5.7, 15.6 prior
    to 15.6.4, and 15.7 prior to 15.7.2 allows group access tokens to continue working even after the group
    owner loses the ability to revoke them. (CVE-2022-4167)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://about.gitlab.com/releases/2023/01/09/security-release-gitlab-15-7-2-released/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c6dc25fe");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 15.5.7, 15.6.4, 15.7.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/UI:N/S:U/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-2022-4167");

  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:"2023/01/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/01/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/02/08");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:gitlab:gitlab");
  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 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 =~ "^15\.(5|6|7)$")
  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' : '13.11', 'fixed_version' : '15.5.7' },
  { 'min_version' : '15.6', 'max_version' : '15.6.3', 'fixed_version' : '15.6.4' },
  { 'min_version' : '15.7', 'max_version' : '15.7.1', 'fixed_version' : '15.7.2' }
];

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