Univention Corporate Server 4.0 erratum 137

# SPDX-FileCopyrightText: 2015 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/o:univention:univention_corporate_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105248");
  script_cve_id("CVE-2015-1606", "CVE-2014-3591", "CVE-2015-0837");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_version("2025-09-05T15:40:40+0000");
  script_name("Univention Corporate Server 4.0 erratum 137");
  script_tag(name:"last_modification", value:"2025-09-05 15:40:40 +0000 (Fri, 05 Sep 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-12-14 13:59:00 +0000 (Sat, 14 Dec 2019)");
  script_tag(name:"creation_date", value:"2015-04-09 10:44:33 +0200 (Thu, 09 Apr 2015)");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ucs/errata", "ucs/version");

  script_xref(name:"URL", value:"http://errata.univention.de/ucs/4.0/137.html");

  script_tag(name:"vuldetect", value:"Checks for missing patches.");

  script_tag(name:"insight", value:"Multiple security issues have been found in GnuPG:

  * use after free when using non-standard keyring (CVE-2015-1606)

  * Side-channel attack on El-Gamal keys (CVE-2014-3591)

  * Side-channel attack in the mpi_pow() function (CVE-2015-0837)");

  script_tag(name:"solution", value:"Apply the missing patch(es).");

  script_tag(name:"summary", value:"The remote host is missing an update for gnupg (erratum 137)");

  script_tag(name:"affected", value:"Univention Corporate Server 4.0 erratum < 137");

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

  exit(0);
}

include("host_details.inc");

if( ! version = get_app_version( cpe:CPE ) )
  if( ! version = get_kb_item("ucs/version") ) exit( 0 );

if( version !~ "^4\.0" ) exit( 0 );

if( ! errata = get_kb_item( "ucs/errata" ) ) exit( 0 );

if( int( errata ) < 137 ) {

  report = 'UCS version:           ' + version + '\n' +
           'Last installed errata: ' + errata + '\n' +
           'Fixed errata:          137\n';
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );