Apache CouchDB < 3.3.3 Privilege Escalation

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

include('compat.inc');

if (description)
{
  script_id(186916);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/21");

  script_cve_id("CVE-2023-45725");
  script_xref(name:"IAVB", value:"2023-B-0099");

  script_name(english:"Apache CouchDB < 3.3.3 Privilege Escalation");

  script_set_attribute(attribute:"synopsis", value:
"The remote database server is affected by a privilege escalation vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its banner, the version of CouchDB running on the remote host is prior to 3.3.3. It is, therefore,
affected by a privilege escalation vulnerability:

  - Design document functions which receive a user http request object may expose authorization or session cookie
    headers of the user who accesses the document. (CVE-2023-45725)

Note that Nessus did not actually test for these flaws but instead, has relied on the version in CouchDB's banner.");
  script_set_attribute(attribute:"see_also", value:"https://docs.couchdb.org/en/stable/cve/2023-45725.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to CouchDB 3.3.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/UI:R/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-2023-45725");

  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:"2023/12/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/12/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/12/14");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:apache:couchdb");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Databases");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("couchdb_detect.nasl");
  script_require_keys("www/couchdb");
  script_require_ports("Services/www", 5984, 6984);

  exit(0);
}

include('http.inc');
include('vcf.inc');

var port = get_http_port(default:5984);
var app = vcf::get_app_info(app:'couchdb', webapp:TRUE, port:port);

var constraints = [
  {'fixed_version' : '3.3.3'}
];

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