GitLab < 15.5.7 / 15.6 < 15.6.4 / 15.7 < 15.7.2 DoS (CVE-2022-3514)

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

include('compat.inc');

if (description)
{
  script_id(171155);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/02/16");

  script_cve_id("CVE-2022-3514");
  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 DoS (CVE-2022-3514)");

  script_set_attribute(attribute:"synopsis", value:
"The GitLab instance installed on the remote host is affected by a denial of service 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 a
denial of service vulnerability as referenced in the SECURITY-RELEASE-GITLAB-15-7-2-RELEASED advisory.

  - An issue has been discovered in GitLab CE/EE affecting all versions starting from 6.6 before 15.5.7, all
    versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may
    cause Denial of Service on a GitLab instance by exploiting a regex issue in the submodule URL parser.
    (CVE-2022-3514)

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:N/I:N/A:P");
  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:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-3514");

  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' : '6.6', '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_WARNING);