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 );