OracleVM 3.2 : Unbreakable / etc (OVMSA-2017-0058)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2017-0058.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(99164);
  script_version("3.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2015-4700", "CVE-2015-5707", "CVE-2016-10088", "CVE-2016-10142", "CVE-2016-3140", "CVE-2016-3672", "CVE-2016-4580", "CVE-2016-7425", "CVE-2016-8399", "CVE-2016-8633", "CVE-2016-8645", "CVE-2017-2636", "CVE-2017-6345", "CVE-2017-7187");
  script_bugtraq_id(75356);

  script_name(english:"OracleVM 3.2 : Unbreakable / etc (OVMSA-2017-0058)");
  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 :

  - RHEL: complement upstream workaround for CVE-2016-10142.
    (Quentin Casasnovas) [Orabug: 25765786] (CVE-2016-10142)
    (CVE-2016-10142)

  - net: ping: check minimum size on ICMP header length
    (Kees Cook) [Orabug: 25766914] (CVE-2016-8399)

  - ipv6: stop sending PTB packets for MTU < 1280 (Hagen
    Paul Pfeifer) [Orabug: 25765786] (CVE-2016-10142)

  - sg_write/bsg_write is not fit to be called under
    KERNEL_DS (Al Viro) [Orabug: 25765448] (CVE-2016-10088)

  - scsi: sg: check length passed to SG_NEXT_CMD_LEN (peter
    chang) [Orabug: 25752011] (CVE-2017-7187)

  - tty: n_hdlc: get rid of racy n_hdlc.tbuf (Alexander
    Popov) [Orabug: 25696689] (CVE-2017-2636)

  - TTY: n_hdlc, fix lockdep false positive (Jiri Slaby)
    [Orabug: 25696689] (CVE-2017-2636)

  - drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc
    (Fabian Frederick) [Orabug: 25696689] (CVE-2017-2636)

  - list: introduce list_first_entry_or_null (Jiri Pirko)
    [Orabug: 25696689] (CVE-2017-2636)

  - firewire: net: guard against rx buffer overflows (Stefan
    Richter) [Orabug: 25451538] (CVE-2016-8633)

  - x86/mm/32: Enable full randomization on i386 and X86_32
    (Hector Marco-Gisbert) [Orabug: 25463929]
    (CVE-2016-3672)

  - x86 get_unmapped_area: Access mmap_legacy_base through
    mm_struct member (Radu Caragea) [Orabug: 25463929]
    (CVE-2016-3672)

  - sg_start_req: make sure that there's not too many
    elements in iovec (Al Viro) [Orabug: 25490377]
    (CVE-2015-5707)

  - tcp: take care of truncations done by sk_filter (Eric
    Dumazet) [Orabug: 25507232] (CVE-2016-8645)

  - rose: limit sk_filter trim to payload (Willem de Bruijn)
    [Orabug: 25507232] (CVE-2016-8645)

  - scsi: arcmsr: Buffer overflow in arcmsr_iop_message_xfer
    (Dan Carpenter) [Orabug: 25507330] (CVE-2016-7425)

  - x86: bpf_jit: fix compilation of large bpf programs
    (Alexei Starovoitov) [Orabug: 25507375] (CVE-2015-4700)

  - net: fix a kernel infoleak in x25 module (Kangjie Lu)
    [Orabug: 25512417] (CVE-2016-4580)

  - USB: digi_acceleport: do sanity checking for the number
    of ports (Oliver Neukum) [Orabug: 25512472]
    (CVE-2016-3140)

  - net/llc: avoid BUG_ON in skb_orphan (Eric Dumazet)
    [Orabug: 25682437] (CVE-2017-6345)"
  );
  # https://oss.oracle.com/pipermail/oraclevm-errata/2017-April/000676.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?243735fd"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected kernel-uek / kernel-uek-firmware packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  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:3.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/08/31");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/04/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/04/03");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 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\.2" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.2", "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:"OVS3.2", reference:"kernel-uek-2.6.39-400.294.6.el5uek")) flag++;
if (rpm_check(release:"OVS3.2", reference:"kernel-uek-firmware-2.6.39-400.294.6.el5uek")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(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");
}