OpenLDAP < 2.4.32 Weak Cipher Vulnerability

# Copyright (C) 2021 Greenbone Networks GmbH
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CPE = "cpe:/a:openldap:openldap";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147067");
  script_version("2021-11-02T05:28:10+0000");
  script_tag(name:"last_modification", value:"2021-11-02 05:28:10 +0000 (Tue, 02 Nov 2021)");
  script_tag(name:"creation_date", value:"2021-11-02 04:51:41 +0000 (Tue, 02 Nov 2021)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");

  script_cve_id("CVE-2012-2668");

  script_tag(name:"qod_type", value:"executable_version_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("OpenLDAP < 2.4.32 Weak Cipher Vulnerability");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gb_openldap_consolidation.nasl");
  script_mandatory_keys("openldap/detected");

  script_tag(name:"summary", value:"OpenLDAP is prone to a weak cipher vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"libraries/libldap/tls_m.c, when using the Mozilla NSS backend,
  always uses the default cipher suite even when TLSCipherSuite is set, which might cause OpenLDAP
  to use weaker ciphers than intended and make it easier for remote attackers to obtain sensitive
  information.");

  script_tag(name:"affected", value:"OpenLDAP prior to version 2.4.32.");

  script_tag(name:"solution", value:"Update to version 2.4.32 or later.");

  script_xref(name:"URL", value:"https://bugs.openldap.org/show_bug.cgi?id=7285");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "2.4.32")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "2.4.32", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);