GitLab 12.5 < 15.0.5 / 15.1 < 15.1.4 / 15.2 < 15.2.1 (CVE-2022-2531)

##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(163836);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/02");

  script_cve_id("CVE-2022-2531");
  script_xref(name:"IAVA", value:"2022-A-0302-S");

  script_name(english:"GitLab 12.5 < 15.0.5 / 15.1 < 15.1.4 / 15.2 < 15.2.1 (CVE-2022-2531)");

  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 EE affecting all versions starting from 12.5 before 15.0.5, all
    versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1. GitLab was not
    performing correct authentication on Grafana API under specific conditions allowing unauthenticated users
    to perform queries through a path traversal vulnerability. (CVE-2022-2531)

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/2022/07/28/security-release-gitlab-15-2-1-released/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4d76f33e");
  script_set_attribute(attribute:"solution", value:
"Upgrade to GitLab version 15.0.5, 15.1.4, 15.2.1 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-2022-2531");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/07/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/07/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/08/04");

  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_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\.(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' : '12.5', 'fixed_version' : '15.0.5' },
  { 'min_version' : '15.1', 'fixed_version' : '15.1.4' },
  { 'min_version' : '15.2', 'fixed_version' : '15.2.1' }
];

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