Vulnerabilities > CVE-2017-1000363 - Out-of-bounds Write vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2017-3657.
#

include("compat.inc");

if (description)
{
  script_id(105144);
  script_version("3.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2016-10044", "CVE-2016-10200", "CVE-2016-7097", "CVE-2016-9604", "CVE-2016-9685", "CVE-2017-1000111", "CVE-2017-1000251", "CVE-2017-1000363", "CVE-2017-1000365", "CVE-2017-1000380", "CVE-2017-10661", "CVE-2017-11176", "CVE-2017-11473", "CVE-2017-12134", "CVE-2017-12190", "CVE-2017-14489", "CVE-2017-2671", "CVE-2017-7542", "CVE-2017-7645", "CVE-2017-7889", "CVE-2017-8831", "CVE-2017-9075", "CVE-2017-9077", "CVE-2017-9242");

  script_name(english:"Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3657) (BlueBorne) (Stack Clash)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Oracle Linux host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description",
    value:
"Description of changes:

[3.8.13-118.20.1.el7uek]
- tty: Fix race in pty_write() leading to NULL deref (Todd Vierling) 
[Orabug: 25392692]
- ocfs2/dlm: ignore cleaning the migration mle that is inuse (xuejiufei) 
  [Orabug: 26479780]
- KEYS: fix dereferencing NULL payload with nonzero length (Eric 
Biggers)  [Orabug: 26592025]
- oracleasm: Copy the integrity descriptor (Martin K. Petersen) 
[Orabug: 26649818]
- mm: Tighten x86 /dev/mem with zeroing reads (Kees Cook)  [Orabug: 
26675925]  {CVE-2017-7889}
- xscore: add dma address check (Zhu Yanjun)  [Orabug: 27058468]
- more bio_map_user_iov() leak fixes (Al Viro)  [Orabug: 27069042] 
{CVE-2017-12190}
- fix unbalanced page refcounting in bio_map_user_iov (Vitaly 
Mayatskikh)  [Orabug: 27069042]  {CVE-2017-12190}
- nvme: Drop nvmeq->q_lock before dma_pool_alloc(), so as to prevent 
hard lockups (Aruna Ramakrishna)  [Orabug: 25409587]
- nvme: Handle PM1725 HIL reset (Martin K. Petersen)  [Orabug: 26277600]
- char: lp: fix possible integer overflow in lp_setup() (Willy Tarreau) 
[Orabug: 26403940]  {CVE-2017-1000363}
- ALSA: timer: Fix missing queue indices reset at 
SNDRV_TIMER_IOCTL_SELECT (Takashi Iwai)  [Orabug: 26403956] 
{CVE-2017-1000380}
- ALSA: timer: Fix race between read and ioctl (Takashi Iwai)  [Orabug: 
26403956]  {CVE-2017-1000380}
- ALSA: timer: fix NULL pointer dereference in read()/ioctl() race 
(Vegard Nossum)  [Orabug: 26403956]  {CVE-2017-1000380}
- ALSA: timer: Fix negative queue usage by racy accesses (Takashi Iwai) 
[Orabug: 26403956]  {CVE-2017-1000380}
- ALSA: timer: Fix race at concurrent reads (Takashi Iwai)  [Orabug: 
26403956]  {CVE-2017-1000380}
- ALSA: timer: Fix race among timer ioctls (Takashi Iwai)  [Orabug: 
26403956]  {CVE-2017-1000380}
- ipv6/dccp: do not inherit ipv6_mc_list from parent (WANG Cong) 
[Orabug: 26404005]  {CVE-2017-9077}
- ocfs2: fix deadlock issue when taking inode lock at vfs entry points 
(Eric Ren)  [Orabug: 26427126]
- ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock 
(Eric Ren)  [Orabug: 26427126]
- ping: implement proper locking (Eric Dumazet)  [Orabug: 26540286] 
{CVE-2017-2671}
- aio: mark AIO pseudo-fs noexec (Jann Horn)  [Orabug: 26643598] 
{CVE-2016-10044}
- vfs: Commit to never having exectuables on proc and sysfs. (Eric W. 
Biederman)  [Orabug: 26643598]  {CVE-2016-10044}
- vfs, writeback: replace FS_CGROUP_WRITEBACK with SB_I_CGROUPWB (Tejun 
Heo)  [Orabug: 26643598]  {CVE-2016-10044}
- x86/acpi: Prevent out of bound access caused by broken ACPI tables 
(Seunghun Han)  [Orabug: 26643645]  {CVE-2017-11473}
- sctp: do not inherit ipv6_{mc|ac|fl}_list from parent (Eric Dumazet) 
[Orabug: 26650883]  {CVE-2017-9075}
- [media] saa7164: fix double fetch PCIe access condition (Steven Toth) 
[Orabug: 26675142]  {CVE-2017-8831}
- [media] saa7164: fix sparse warnings (Hans Verkuil)  [Orabug: 
26675142]  {CVE-2017-8831}
- fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE 
(Abhi Das)  [Orabug: 26797306]
- timerfd: Protect the might cancel mechanism proper (Thomas Gleixner) 
[Orabug: 26899787]  {CVE-2017-10661}
- scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't 
parse nlmsg properly (Xin Long)  [Orabug: 26988627]  {CVE-2017-14489}
- mqueue: fix a use-after-free in sys_mq_notify() (Cong Wang)  [Orabug: 
26643556]  {CVE-2017-11176}
- ipv6: avoid overflow of offset in ip6_find_1stfragopt (Sabrina 
Dubroca)  [Orabug: 27011273]  {CVE-2017-7542}
- packet: fix tp_reserve race in packet_set_ring (Willem de Bruijn) 
[Orabug: 27002450]  {CVE-2017-1000111}
- mlx4_core: calculate log_num_mtt based on total system memory (Wei Lin 
Guay)  [Orabug: 26883934]
- xen/x86: Add interface for querying amount of host memory (Boris 
Ostrovsky)  [Orabug: 26883934]
- Bluetooth: Properly check L2CAP config option output buffer length 
(Ben Seri)  [Orabug: 26796364]  {CVE-2017-1000251}
- xen: fix bio vec merging (Roger Pau Monne)  [Orabug: 26645550] 
{CVE-2017-12134}
- fs/exec.c: account for argv/envp pointers (Kees Cook)  [Orabug: 
26638921]  {CVE-2017-1000365} {CVE-2017-1000365}
- l2tp: fix racy SOCK_ZAPPED flag check in l2tp_ip{,6}_bind() (Guillaume 
Nault)  [Orabug: 26586047]  {CVE-2016-10200}
- xfs: fix two memory leaks in xfs_attr_list.c error paths (Mateusz 
Guzik)  [Orabug: 26586022]  {CVE-2016-9685}
- KEYS: Disallow keyrings beginning with '.' to be joined as session 
keyrings (David Howells)  [Orabug: 26585994]  {CVE-2016-9604}
- ipv6: fix out of bound writes in __ip6_append_data() (Eric Dumazet) 
[Orabug: 26578198]  {CVE-2017-9242}
- posix_acl: Clear SGID bit when setting file permissions (Jan Kara) 
[Orabug: 25507344]  {CVE-2016-7097} {CVE-2016-7097}
- nfsd: check for oversized NFSv2/v3 arguments (J. Bruce Fields) 
[Orabug: 26366022]  {CVE-2017-7645}"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2017-December/007407.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2017-December/007408.html"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Update the affected unbreakable enterprise kernel packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:L/PR:L/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:"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:linux:dtrace-modules-3.8.13-118.20.1.el6uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.20.1.el7uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kernel-uek-firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/10/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/12/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/12/11");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Oracle Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^(6|7)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 6 / 7", "Oracle Linux " + os_ver);

if (!get_kb_item("Host/RedHat/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, "Oracle Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2016-10044", "CVE-2016-10200", "CVE-2016-7097", "CVE-2016-9604", "CVE-2016-9685", "CVE-2017-1000111", "CVE-2017-1000251", "CVE-2017-1000363", "CVE-2017-1000365", "CVE-2017-1000380", "CVE-2017-10661", "CVE-2017-11176", "CVE-2017-11473", "CVE-2017-12134", "CVE-2017-12190", "CVE-2017-14489", "CVE-2017-2671", "CVE-2017-7542", "CVE-2017-7645", "CVE-2017-7889", "CVE-2017-8831", "CVE-2017-9075", "CVE-2017-9077", "CVE-2017-9242");  
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for ELSA-2017-3657");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

kernel_major_minor = get_kb_item("Host/uname/major_minor");
if (empty_or_null(kernel_major_minor)) exit(1, "Unable to determine kernel major-minor level.");
expected_kernel_major_minor = "3.8";
if (kernel_major_minor != expected_kernel_major_minor)
  audit(AUDIT_OS_NOT, "running kernel level " + expected_kernel_major_minor + ", it is running kernel level " + kernel_major_minor);

flag = 0;
if (rpm_check(release:"EL6", cpu:"x86_64", reference:"dtrace-modules-3.8.13-118.20.1.el6uek-0.4.5-3.el6")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-3.8.13-118.20.1.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-debug-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-debug-3.8.13-118.20.1.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-debug-devel-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-debug-devel-3.8.13-118.20.1.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-devel-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-devel-3.8.13-118.20.1.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-doc-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-doc-3.8.13-118.20.1.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-firmware-3.8.13") && rpm_check(release:"EL6", cpu:"x86_64", reference:"kernel-uek-firmware-3.8.13-118.20.1.el6uek")) flag++;

if (rpm_check(release:"EL7", cpu:"x86_64", reference:"dtrace-modules-3.8.13-118.20.1.el7uek-0.4.5-3.el7")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-3.8.13-118.20.1.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-debug-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-debug-3.8.13-118.20.1.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-debug-devel-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-debug-devel-3.8.13-118.20.1.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-devel-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-devel-3.8.13-118.20.1.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-doc-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-doc-3.8.13-118.20.1.el7uek")) flag++;
if (rpm_exists(release:"EL7", rpm:"kernel-uek-firmware-3.8.13") && rpm_check(release:"EL7", cpu:"x86_64", reference:"kernel-uek-firmware-3.8.13-118.20.1.el7uek")) 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, "affected kernel");
}