Debian Security Advisory DSA 3181-1 (xen - security update)

# OpenVAS Vulnerability Test
# $Id: deb_3181.nasl 6609 2017-07-07 12:05:59Z cfischer $
# Auto-generated from advisory DSA 3181-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#


if(description)
{
    script_id(703181);
    script_version("$Revision: 6609 $");
    script_cve_id("CVE-2015-2044", "CVE-2015-2045", "CVE-2015-2151");
    script_name("Debian Security Advisory DSA 3181-1 (xen - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:05:59 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value: "2015-03-10 00:00:00 +0100 (Tue, 10 Mar 2015)");
    script_tag(name:"cvss_base", value:"7.2");
    script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
    script_tag(name: "solution_type", value: "VendorFix");

    script_xref(name: "URL", value: "http://www.debian.org/security/2015/dsa-3181.html");


    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net");
    script_family("Debian Local Security Checks");
    script_dependencies("gather-package-list.nasl");
    script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages");
    script_tag(name: "affected",  value: "xen on Debian Linux");
    script_tag(name: "insight",   value: "Xen is a hypervisor providing services
that allow multiple computer operating systems to execute on the same computer
hardware concurrently.");
    script_tag(name: "solution",  value: "For the stable distribution (wheezy),
these problems have been fixed in version 4.1.4-3+deb7u5.

For the unstable distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your xen packages.");
    script_tag(name: "summary",   value: "Multiple security issues have been
found in the Xen virtualisation solution:

CVE-2015-2044 
Information leak via x86 system device emulation.

CVE-2015-2045 
Information leak in the HYPERVISOR_xen_version() hypercall.

CVE-2015-2151 
Missing input sanitising in the x86 emulator could result in
information disclosure, denial of service or potentially
privilege escalation.

In addition the Xen developers reported an unfixable limitation in the
handling of non-standard PCI devices. Please refer to
http://xenbits.xen.org/xsa/advisory-124.html 
for further
information.");
    script_tag(name: "vuldetect", value: "This check tests the installed software
version using the apt package manager.");
    script_tag(name:"qod_type", value:"package");
    exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"libxen-4.1", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libxen-dev", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libxen-ocaml", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libxen-ocaml-dev", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libxenstore3.0", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-docs-4.1", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-hypervisor-4.1-amd64", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-hypervisor-4.1-i386", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-system-amd64", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-system-i386", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-utils-4.1", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xen-utils-common", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"xenstore-utils", ver:"4.1.4-3+deb7u5", rls_regex:"DEB7.[0-9]")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}