SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1241-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:1241-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(148761);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/03");

  script_cve_id(
    "CVE-2020-11947",
    "CVE-2020-12829",
    "CVE-2020-13361",
    "CVE-2020-13362",
    "CVE-2020-13659",
    "CVE-2020-13765",
    "CVE-2020-14364",
    "CVE-2020-15469",
    "CVE-2020-15863",
    "CVE-2020-16092",
    "CVE-2020-25084",
    "CVE-2020-25624",
    "CVE-2020-25625",
    "CVE-2020-25723",
    "CVE-2020-27617",
    "CVE-2020-28916",
    "CVE-2020-29129",
    "CVE-2020-29130",
    "CVE-2020-29443",
    "CVE-2021-20181",
    "CVE-2021-20203",
    "CVE-2021-20221",
    "CVE-2021-20257",
    "CVE-2021-3416"
  );

  script_name(english:"SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1241-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update for qemu fixes the following issues :

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)

Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation
(CVE-2020-13362, bsc#1172383)

Fix use-after-free in usb xhci packet handling (CVE-2020-25723,
bsc#1178934)

Fix use-after-free in usb ehci packet handling (CVE-2020-25084,
bsc#1176673)

Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)

Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625,
bsc#1176684)

Fix guest triggerable assert in shared network handling code
(CVE-2020-27617, bsc#1178174)

Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916,
bsc#1179468)

Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)

Fix NULL pointer deref. (DoS) in mmio ops (CVE-2020-15469,
bsc#1173612)

Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257,
bsc#1182577)

Fix OOB access (stack overflow) in rtl8139 NIC emulation
(CVE-2021-3416, bsc#1182968)

Fix OOB access (stack overflow) in other NIC emulations
(CVE-2021-3416)

Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129,
bsc#1179466, CVE-2020-29130, bsc#1179467)

Fix NULL pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2
emulation (CVE-2020-13659, bsc#1172386)

Fix OOB access in iscsi (CVE-2020-11947, bsc#1180523)

Fix OOB access in vmxnet3 emulation (CVE-2021-20203, bsc#1181639)

Fix buffer overflow in the XGMAC device (CVE-2020-15863, bsc#1174386)

Fix DoS in packet processing of various emulated NICs (CVE-2020-16092,
bsc#1174641)

Fix OOB access while processing USB packets (CVE-2020-14364,
bsc#1175441)

Fix package scripts to not use hard-coded paths for temporary working
directories and log files (bsc#1182425)

Fix potential privilege escalation in virtfs (CVE-2021-20181,
bsc#1182137)

Fix OOB access possibility in ES1370 audio device emulation
(CVE-2020-13361, bsc#1172384)

Fix OOB access in ROM loading (CVE-2020-13765, bsc#1172478)

Fix qemu-testsuite failure

Fix vm migration is failing with input/output error when nfs server is
disconnected (bsc#1119115)

Fix OOB access in ARM interrupt handling (CVE-2021-20221, bsc#1181933)

Fix slowness in arm32 emulation (bsc#1112499)

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)

Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation
(CVE-2020-13362, bsc#1172383)

Fix use-after-free in usb xhci packet handling (CVE-2020-25723,
bsc#1178934)

Fix use-after-free in usb ehci packet handling (CVE-2020-25084,
bsc#1176673)

Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)

Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625,
bsc#1176684)

Fix guest triggerable assert in shared network handling code
(CVE-2020-27617, bsc#1178174)

Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916,
bsc#1179468)

Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)

Fix NULL pointer deref. (DoS) in mmio ops (CVE-2020-15469,
bsc#1173612)

Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257,
bsc#1182577)

Fix OOB access (stack overflow) in rtl8139 NIC emulation
(CVE-2021-3416, bsc#1182968)

Fix OOB access (stack overflow) in other NIC emulations
(CVE-2021-3416)

Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129,
bsc#1179466, CVE-2020-29130, bsc#1179467)

Fix NULL pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2
emulation (CVE-2020-13659, bsc#1172386)

Fix OOB access in iscsi (CVE-2020-11947, bsc#1180523)

Fix OOB access in vmxnet3 emulation (CVE-2021-20203, bsc#1181639)

Fix buffer overflow in the XGMAC device (CVE-2020-15863, bsc#1174386)

Fix DoS in packet processing of various emulated NICs (CVE-2020-16092,
bsc#1174641)

Fix OOB access while processing USB packets (CVE-2020-14364,
bsc#1175441)

Fix package scripts to not use hard-coded paths for temporary working
directories and log files (bsc#1182425)

Fix potential privilege escalation in virtfs (CVE-2021-20181,
bsc#1182137)

Fix OOB access possibility in ES1370 audio device emulation
(CVE-2020-13361, bsc#1172384)

Fix OOB access in ROM loading (CVE-2020-13765, bsc#1172478)

Fix qemu-testsuite failure

Fix vm migration is failing with input/output error when nfs server is
disconnected (bsc#1119115)

Fix OOB access in ARM interrupt handling (CVE-2021-20221, bsc#1181933)

Fix slowness in arm32 emulation (bsc#1112499)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1112499");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1119115");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1172383");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1172384");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1172385");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1172386");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1172478");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1173612");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1174386");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1174641");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1175441");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1176673");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1176682");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1176684");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178174");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178934");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179466");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179467");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179468");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1180523");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1181108");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1181639");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1181933");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1182137");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1182425");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1182577");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1182968");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11947/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-12829/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-13361/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-13362/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-13659/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-13765/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-14364/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-15469/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-15863/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-16092/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25084/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25624/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25625/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25723/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-27617/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-28916/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-29129/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-29130/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-29443/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20181/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20203/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20221/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20257/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-3416/");
  # https://www.suse.com/support/update/announcement/2021/suse-su-20211241-1
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8b352f51");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud Crowbar 9 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1241=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1241=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1241=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1241=1");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-20181");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-curl-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-iscsi-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-rbd-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-block-ssh-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-guest-agent-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-s390-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:qemu-x86");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-block-rbd-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-block-rbd-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"qemu-x86-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"s390x", reference:"qemu-s390-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"s390x", reference:"qemu-s390-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-curl-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-curl-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-iscsi-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-iscsi-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-ssh-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-block-ssh-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-debugsource-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-guest-agent-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-guest-agent-debuginfo-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-kvm-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-lang-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-tools-2.11.2-5.29.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"qemu-tools-debuginfo-2.11.2-5.29.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "qemu");
}