OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0022)

#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2019-0022.
#

include("compat.inc");

if (description)
{
  script_id(125615);
  script_version("1.3");
  script_cvs_date("Date: 2020/01/13");

  script_cve_id("CVE-2015-5327", "CVE-2017-18360", "CVE-2018-19985", "CVE-2019-11190");

  script_name(english:"OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0022)");
  script_summary(english:"Checks the RPM output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote OracleVM host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote OracleVM system is missing necessary patches to address
critical security updates :

  - scsi: libfc: sanitize E_D_TOV and R_A_TOV setting
    (Hannes Reinecke) [Orabug: 25933179]

  - scsi: libfc: use configured rport E_D_TOV (Hannes
    Reinecke) [Orabug: 25933179]

  - scsi: libfc: additional debugging messages (Hannes
    Reinecke) [Orabug: 25933179]

  - scsi: libfc: don't advance state machine for incoming
    FLOGI (Hannes Reinecke) [Orabug: 25933179]

  - scsi: libfc: Do not login if the port is already started
    (Hannes Reinecke) [Orabug: 25933179]

  - scsi: libfc: Do not drop down to FLOGI for
    fc_rport_login (Hannes Reinecke) [Orabug: 25933179]

  - scsi: libfc: Do not take rdata->rp_mutex when processing
    a -FC_EX_CLOSED ELS response. (Chad Dupuis) [Orabug:
    25933179]

  - scsi: libfc: Fixup disc_mutex handling (Hannes Reinecke)
    [Orabug: 25933179]

  - xve: arm ud tx cq to generate completion interrupts
    (Ajaykumar Hotchandani) [Orabug: 28267050]

  - net: sched: run ingress qdisc without locks (Alexei
    Starovoitov) [Orabug: 29395374]

  - bnxt_en: Fix typo in firmware message timeout logic.
    (Michael Chan) [Orabug: 29412112]

  - bnxt_en: Wait longer for the firmware message response
    to complete. (Michael Chan) [Orabug: 29412112]

  - mm,vmscan: Make unregister_shrinker no-op if
    register_shrinker failed. (Tetsuo Handa) [Orabug:
    29456281]

  - X.509: Handle midnight alternative notation in
    GeneralizedTime (David Howells) [Orabug: 29460344]
    (CVE-2015-5327)

  - X.509: Support leap seconds (David Howells) [Orabug:
    29460344] (CVE-2015-5327)

  - X.509: Fix the time validation [ver #2] (David Howells)
    [Orabug: 29460344] (CVE-2015-5327) (CVE-2015-5327)

  - be2net: enable new Kconfig items in kernel configs
    (Brian Maly) [Orabug: 29475071]

  - benet: remove broken and unused macro (Lubomir Rintel)
    [Orabug: 29475071]

  - be2net: don't flip hw_features when VXLANs are
    added/deleted (Davide Caratti) [Orabug: 29475071]

  - be2net: Fix memory leak in be_cmd_get_profile_config
    (Petr Oros) [Orabug: 29475071]

  - be2net: Use Kconfig flag to support for
    enabling/disabling adapters (Petr Oros) [Orabug:
    29475071]

  - be2net: Mark expected switch fall-through (Gustavo A. R.
    Silva) [Orabug: 29475071]

  - be2net: fix spelling mistake 'seqence' -> 'sequence'
    (Colin Ian King) [Orabug: 29475071]

  - be2net: Update the driver version to 12.0.0.0 (Suresh
    Reddy) [Orabug: 29475071]

  - be2net: gather debug info and reset adapter (only for
    Lancer) on a tx-timeout (Suresh Reddy) [Orabug:
    29475071]

  - be2net: move rss_flags field in rss_info to ensure
    proper alignment (Ivan Vecera) [Orabug: 29475071]

  - be2net: re-order fields in be_error_recovert to avoid
    hole (Ivan Vecera) [Orabug: 29475071]

  - be2net: remove unused tx_jiffies field from be_tx_stats
    (Ivan Vecera) [Orabug: 29475071]

  - be2net: move txcp field in be_tx_obj to eliminate holes
    in the struct (Ivan Vecera) [Orabug: 29475071]

  - be2net: reorder fields in be_eq_obj structure (Ivan
    Vecera) [Orabug: 29475071]

  - be2net: remove unused old custom busy-poll fields (Ivan
    Vecera) [Orabug: 29475071]

  - be2net: remove unused old AIC info (Ivan Vecera)
    [Orabug: 29475071]

  - be2net: Fix error detection logic for BE3 (Suresh Reddy)
    [Orabug: 29475071]

  - scsi: sd: Do not override max_sectors_kb sysfs setting
    (Martin K. Petersen) [Orabug: 29596510]

  - USB: serial: io_ti: fix div-by-zero in set_termios
    (Johan Hovold) [Orabug: 29487834] (CVE-2017-18360)

  - bnxt_en: Drop oversize TX packets to prevent errors.
    (Michael Chan) [Orabug: 29516462]

  - x86/speculation: Read per-cpu value of
    x86_spec_ctrl_priv in x86_virt_spec_ctrl (Alejandro
    Jimenez) [Orabug: 29526401]

  - x86/speculation: Keep enhanced IBRS on when prctl is
    used for SSBD control (Alejandro Jimenez) [Orabug:
    29526401]

  - USB: hso: Fix OOB memory access in
    hso_probe/hso_get_config_data (Hui Peng) [Orabug:
    29605982] (CVE-2018-19985) (CVE-2018-19985)

  - swiotlb: save io_tlb_used to local variable before
    leaving critical section (Dongli Zhang) [Orabug:
    29637525]

  - swiotlb: dump used and total slots when swiotlb buffer
    is full (Dongli Zhang) [Orabug: 29637525]

  - x86/bugs, kvm: don't miss SSBD when IBRS is in use.
    (Quentin Casasnovas) [Orabug: 29642113]

  - cifs: Fix use after free of a mid_q_entry (Shuning
    Zhang) [Orabug: 29654888]

  - binfmt_elf: switch to new creds when switching to new mm
    (Linus Torvalds) [Orabug: 29677233] (CVE-2019-11190)

  - x86/microcode: Don't return error if microcode update is
    not needed (Boris Ostrovsky) [Orabug: 29759756]"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/oraclevm-errata/2019-May/000941.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected kernel-uek / kernel-uek-firmware packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11190");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:kernel-uek-firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/09/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"OracleVM Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleVM/release", "Host/OracleVM/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/OracleVM/release");
if (isnull(release) || "OVS" >!< release) audit(AUDIT_OS_NOT, "OracleVM");
if (! preg(pattern:"^OVS" + "3\.4" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.4", "OracleVM " + release);
if (!get_kb_item("Host/OracleVM/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

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

flag = 0;
if (rpm_check(release:"OVS3.4", reference:"kernel-uek-4.1.12-124.27.1.el6uek")) flag++;
if (rpm_check(release:"OVS3.4", reference:"kernel-uek-firmware-4.1.12-124.27.1.el6uek")) 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, "kernel-uek / kernel-uek-firmware");
}