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openvasCopyright (C) 2015 Greenbone AGOPENVAS:1361412562310105258
HistoryApr 17, 2015 - 12:00 a.m.

Citrix XenServer Multiple Security Updates (CTX200892)

2015-04-1700:00:00
Copyright (C) 2015 Greenbone AG
plugins.openvas.org
24

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.7 High

AI Score

Confidence

Low

0.864 High

EPSS

Percentile

98.6%

A number of security vulnerabilities have
been identified in Citrix XenServer. These vulnerabilities could, if exploited,
allow a malicious administrator of an HVM guest to compromise the host.

# 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:/a:citrix:xenserver";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105258");
  script_cve_id("CVE-2014-8106", "CVE-2014-7815", "CVE-2014-3615");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_version("2023-07-25T05:05:58+0000");

  script_name("Citrix XenServer Multiple Security Updates (CTX200892)");

  script_xref(name:"URL", value:"http://support.citrix.com/article/CTX200892");

  script_tag(name:"vuldetect", value:"Check the installed hotfixes.");

  script_tag(name:"solution", value:"Apply the hotfix referenced in the advisory.");

  script_tag(name:"summary", value:"A number of security vulnerabilities have
  been identified in Citrix XenServer. These vulnerabilities could, if exploited,
  allow a malicious administrator of an HVM guest to compromise the host.");

  script_tag(name:"insight", value:"The following vulnerabilities have been addressed:

  - CVE-2014-8106 (High): Heap-based buffer overflow in the Cirrus VGA emulator

  - CVE-2014-7815 (Low): The set_pixel_format function in QEMU allows a denial of service (crash)

  - CVE-2014-3615 (Low): The VGA emulator in QEMU allows users to read memory");

  script_tag(name:"affected", value:"XenServer 6.5

  XenServer 6.2.0

  XenServer 6.1.0

  XenServer 6.0.2

  XenServer 6.0");

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

  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2015-04-17 14:24:28 +0200 (Fri, 17 Apr 2015)");
  script_category(ACT_GATHER_INFO);
  script_family("Citrix Xenserver Local Security Checks");
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_dependencies("gb_xenserver_version.nasl");
  script_mandatory_keys("xenserver/product_version", "xenserver/patches");

  exit(0);
}

include("citrix_version_func.inc");
include("host_details.inc");
include("list_array_func.inc");

if( ! version = get_app_version( cpe:CPE ) )
  exit( 0 );

if( ! hotfixes = get_kb_item("xenserver/patches") )
  exit( 0 );

patches = make_array();

patches['6.5.0'] = make_list( 'XS65E007' );
patches['6.2.0'] = make_list( 'XS62ESP1021' );
patches['6.1.0'] = make_list( 'XS61E051' );
patches['6.0.2'] = make_list( 'XS602E042' );
patches['6.0.0'] = make_list( 'XS60E046' );

citrix_xenserver_check_report_is_vulnerable( version:version, hotfixes:hotfixes, patches:patches );

exit( 99 );

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.7 High

AI Score

Confidence

Low

0.864 High

EPSS

Percentile

98.6%