GitLab 13.7 < 15.4.6 / 15.5 < 15.5.5 / 15.6 < 15.6.1 (CVE-2022-4255)

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

include('compat.inc');

if (description)
{
  script_id(170061);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/03");

  script_cve_id("CVE-2022-4255");
  script_xref(name:"IAVA", value:"2022-A-0506-S");

  script_name(english:"GitLab 13.7 < 15.4.6 / 15.5 < 15.5.5 / 15.6 < 15.6.1 (CVE-2022-4255)");

  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 info leak issue was identified in all versions of GitLab EE from 13.7 prior to 15.4.6, 15.5 prior to
    15.5.5, and 15.6 prior to 15.6.1 which exposes user email id through webhook payload. (CVE-2022-4255)

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/2022/11/30/security-release-gitlab-15-6-1-released/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ffedd7a6");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 15.4.6, 15.5.5, 15.6.1 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-2022-4255");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/11/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/11/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/01/16");

  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) 2022-2024 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 =~ "^15\.(4|5|6)$")
  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' : '13.7', 'fixed_version' : '15.4.6' },
  { 'min_version' : '15.5', 'fixed_version' : '15.5.5' },
  { 'min_version' : '15.6', 'fixed_version' : '15.6.1' }
];

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