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Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2015-3036)

2015-05-14T00:00:00
ID ORACLELINUX_ELSA-2015-3036.NASL
Type nessus
Reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-02-02T00:00:00

Description

Description of changes:

[2.6.39-400.250.2.el6uek] - crypto: aesni - fix memory usage in GCM decryption (Stephan Mueller) [Orabug: 21077389] {CVE-2015-3331}

[2.6.39-400.250.1.el6uek] - xen/pciback: Don

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2015-3036.
#

include("compat.inc");

if (description)
{
  script_id(83449);
  script_version("2.13");
  script_cvs_date("Date: 2019/09/27 13:00:36");

  script_cve_id("CVE-2014-3215", "CVE-2014-8159", "CVE-2014-9584", "CVE-2015-1421", "CVE-2015-2150", "CVE-2015-3331");
  script_bugtraq_id(71883, 72356, 73014, 73060, 74235);

  script_name(english:"Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2015-3036)");
  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:

[2.6.39-400.250.2.el6uek]
- crypto: aesni - fix memory usage in GCM decryption (Stephan Mueller) 
[Orabug: 21077389]  {CVE-2015-3331}

[2.6.39-400.250.1.el6uek]
- xen/pciback: Don't disable PCI_COMMAND on PCI device reset. (Konrad 
Rzeszutek Wilk)  [Orabug: 20807440]  {CVE-2015-2150}
- xen-blkfront: fix accounting of reqs when migrating (Roger Pau Monne) 
  [Orabug: 20727114] - Revert 'qla2xxx: Ramp down queue depth for 
attached SCSI devices when driver resources are low.' (Chad Dupuis) 
[Orabug: 20657415] - x86/xen: allow privcmd hypercalls to be preempted 
(David Vrabel)  [Orabug: 20618759] - sched: Expose 
preempt_schedule_irq() (Thomas Gleixner)  [Orabug: 20618759] - isofs: 
Fix unchecked printing of ER records (Jan Kara)  [Orabug: 20930552] 
{CVE-2014-9584}
- selinux: Permit bounded transitions under NO_NEW_PRIVS or NOSUID. 
(Stephen Smalley)  [Orabug: 20930502]  {CVE-2014-3215}
- Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve from granting privs 
(Andy Lutomirski)  [Orabug: 20930518]  {CVE-2014-3215}
- IB/core: Prevent integer overflow in ib_umem_get address arithmetic 
(Shachar Raindel)  [Orabug: 20788393]  {CVE-2014-8159} {CVE-2014-8159}
- xen-pciback: limit guest control of command register (Jan Beulich) 
[Orabug: 20704156]  {CVE-2015-2150} {CVE-2015-2150}
- net: sctp: fix slab corruption from use after free on INIT collisions 
(Daniel Borkmann)  [Orabug: 20780348]  {CVE-2015-1421}"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2015-May/005076.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2015-May/005077.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:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:ND/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  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:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/05/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/05/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/05/14");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2019 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:"^(5|6)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 5 / 6", "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 && "ia64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2014-3215", "CVE-2014-8159", "CVE-2014-9584", "CVE-2015-1421", "CVE-2015-2150", "CVE-2015-3331");  
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for ELSA-2015-3036");
  }
  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 = "2.6";
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_exists(release:"EL5", rpm:"kernel-uek-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-2.6.39-400.250.2.el5uek")) flag++;
if (rpm_exists(release:"EL5", rpm:"kernel-uek-debug-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-debug-2.6.39-400.250.2.el5uek")) flag++;
if (rpm_exists(release:"EL5", rpm:"kernel-uek-debug-devel-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-debug-devel-2.6.39-400.250.2.el5uek")) flag++;
if (rpm_exists(release:"EL5", rpm:"kernel-uek-devel-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-devel-2.6.39-400.250.2.el5uek")) flag++;
if (rpm_exists(release:"EL5", rpm:"kernel-uek-doc-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-doc-2.6.39-400.250.2.el5uek")) flag++;
if (rpm_exists(release:"EL5", rpm:"kernel-uek-firmware-2.6.39") && rpm_check(release:"EL5", reference:"kernel-uek-firmware-2.6.39-400.250.2.el5uek")) flag++;

if (rpm_exists(release:"EL6", rpm:"kernel-uek-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-2.6.39-400.250.2.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-debug-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-debug-2.6.39-400.250.2.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-debug-devel-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-debug-devel-2.6.39-400.250.2.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-devel-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-devel-2.6.39-400.250.2.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-doc-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-doc-2.6.39-400.250.2.el6uek")) flag++;
if (rpm_exists(release:"EL6", rpm:"kernel-uek-firmware-2.6.39") && rpm_check(release:"EL6", reference:"kernel-uek-firmware-2.6.39-400.250.2.el6uek")) 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");
}
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