SUSE: Security Advisory for Xen (SUSE-SU-2015:0927-1)

# Copyright (C) 2015 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) the respective author(s)
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# 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_oid("1.3.6.1.4.1.25623.1.0.850752");
  script_version("2020-01-31T07:58:03+0000");
  script_tag(name:"last_modification", value:"2020-01-31 07:58:03 +0000 (Fri, 31 Jan 2020)");
  script_tag(name:"creation_date", value:"2015-10-13 14:29:31 +0530 (Tue, 13 Oct 2015)");
  script_cve_id("CVE-2015-3456", "CVE-2015-3340");
  script_tag(name:"cvss_base", value:"7.7");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"qod_type", value:"package");
  script_name("SUSE: Security Advisory for Xen (SUSE-SU-2015:0927-1)");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'Xen'
  package(s) announced via the referenced advisory.");

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

  script_tag(name:"insight", value:"Xen was updated to fix two security issues and a bug:

  * CVE-2015-3456: A buffer overflow in the floppy drive emulation,
  which could be used to carry out denial of service attacks or
  potential code execution against the host. This vulnerability is
  also known as VENOM.

  * CVE-2015-3340: Xen did not initialize certain fields, which allowed
  certain remote service domains to obtain sensitive information from
  memory via a (1) XEN_DOMCTL_gettscinfo or (2)
  XEN_SYSCTL_getdomaininfolist request.

  * An exception in setCPUAffinity when restoring guests. (bsc#910441)

  Security Issues:

  * CVE-2015-3456

  * CVE-2015-3340


  Special Instructions and Notes:

  Please reboot the system after installing this update.");

  script_tag(name:"affected", value:"Xen on SUSE Linux Enterprise Server 11 SP3");

  script_tag(name:"solution", value:"Please install the updated package(s).");
  script_xref(name:"SUSE-SU", value:"2015:0927-1");
  script_tag(name:"solution_type", value:"VendorFix");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse", "ssh/login/rpms", re:"ssh/login/release=SLES11\.0SP3");
  exit(0);
}

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

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "SLES11.0SP3") {
  if(!isnull(res = isrpmvuln(pkg:"xen-kmp-default", rpm:"xen-kmp-default~4.2.5_06_3.0.101_0.47.52~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-pdf", rpm:"xen-doc-pdf~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.2.5_06~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-kmp-pae", rpm:"xen-kmp-pae~4.2.5_06_3.0.101_0.47.52~0.7.1", rls:"SLES11.0SP3"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);