SUSE: Security Advisory (SUSE-SU-2019:3297-1)

# SPDX-FileCopyrightText: 2021 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.4.2019.3297.1");
  script_cve_id("CVE-2018-12207", "CVE-2019-11135", "CVE-2019-18420", "CVE-2019-18421", "CVE-2019-18422", "CVE-2019-18423", "CVE-2019-18424", "CVE-2019-18425", "CVE-2019-19577", "CVE-2019-19578", "CVE-2019-19579", "CVE-2019-19580", "CVE-2019-19581", "CVE-2019-19582", "CVE-2019-19583");
  script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-11-06 18:38:02 +0000 (Wed, 06 Nov 2019)");

  script_name("SUSE: Security Advisory (SUSE-SU-2019:3297-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP3)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2019:3297-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2019/suse-su-20193297-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2019:3297-1 advisory.");

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

  script_tag(name:"insight", value:"This update for xen fixes the following issues:
CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm
 (bsc#1158003 XSA-307).

CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to
 bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307).

CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH
 guest userspace code to crash the guest,leading to a guest denial of
 service (bsc#1158004 XSA-308).

CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could
 have caused hypervisor crash resulting in denial of service affecting
 the entire host (bsc#1158005 XSA-309).

CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest
 administrator could have been able to escalate their privilege to that
 of the host (bsc#1158006 XSA-310).

CVE-2019-19577: Fixed an issue where a malicious guest administrator
 could have caused Xen to access data structures while they are being
 modified leading to a crash (bsc#1158007 XSA-311).

CVE-2019-19579: Fixed a privilege escalation where an untrusted domain
 with access to a physical device can DMA into host memory (bsc#1157888
 XSA-306).

CVE-2019-18420: Malicious x86 PV guests may have caused a hypervisor
 crash, resulting in a denial of service (bsc#1154448 XSA-296)

CVE-2019-18425: 32-bit PV guest user mode could elevate its privileges
 to that
 of the guest kernel. (bsc#1154456 XSA-298).

CVE-2019-18421: A malicious PV guest administrator may have been able to
 escalate their privilege to that of the host. (bsc#1154458 XSA-299).

CVE-2019-18423: A malicious guest administrator may cause a hypervisor
 crash, resulting in a denial of service (bsc#1154460 XSA-301).

CVE-2019-18422: A malicious ARM guest might contrive to arrange for
 critical Xen code to run with interrupts erroneously enabled. This could
 lead to data corruption, denial of service, or possibly even privilege
 escalation. However a precise attack technique has not been identified.
 (bsc#1154464 XSA-303)

CVE-2019-18424: An untrusted domain with access to a physical device can
 DMA into host memory, leading to privilege escalation. (bsc#1154461
 XSA-302).

CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a
 race condition in the Instruction Fetch Unit of the Intel CPU to cause a
 Machine Exception during Page Size Change, causing the CPU core to be
 non-functional. (bsc#1155945 XSA-304)

CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs
 with Transactional Memory support could be used to facilitate
 sidechannel information leaks out of microarchitectural buffers, similar
 to the previously described 'Microarchitectural Data Sampling' attack.
 (bsc#1152497 XSA-305).");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE CaaS Platform 3.0, SUSE Enterprise Storage 5, SUSE Linux Enterprise Server 12-SP3, SUSE Linux Enterprise Server for SAP 12-SP3, SUSE OpenStack Cloud 8, SUSE OpenStack Cloud Crowbar 8.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

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

  exit(0);
}

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

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

res = "";
report = "";

if(release == "SLES12.0SP3") {

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.9.4_06~3.59.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

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

exit(0);