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RHEL 7 : pacemaker (RHSA-2016:2614)

2016-11-07T00:00:00
ID REDHAT-RHSA-2016-2614.NASL
Type nessus
Reporter Tenable
Modified 2019-01-08T00:00:00

Description

An update for pacemaker is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Pacemaker cluster resource manager is a collection of technologies working together to provide data integrity and the ability to maintain application availability in the event of a failure.

Security Fix(es) :

  • An authorization flaw was found in Pacemaker, where it did not properly guard its IPC interface. An attacker with an unprivileged account on a Pacemaker node could use this flaw to, for example, force the Local Resource Manager daemon to execute a script as root and thereby gain root access on the machine. (CVE-2016-7035)

This issue was discovered by Jan 'poki' Pokorny (Red Hat) and Alain Moulle (ATOS/BULL).

Bug Fix(es) :

  • The version of Pacemaker in Red Hat Enterprise Linux 7.3 incorporated an increase in the version number of the remote node protocol. Consequently, cluster nodes running Pacemaker in Red Hat Enterprise Linux 7.3 and remote nodes running earlier versions of Red Hat Enterprise Linux were not able to communicate with each other unless special precautions were taken. This update preserves the rolling upgrade capability. (BZ#1389023)

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2016:2614. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(94604);
  script_version("2.7");
  script_cvs_date("Date: 2019/01/08 11:01:15");

  script_cve_id("CVE-2016-7035");
  script_xref(name:"RHSA", value:"2016:2614");

  script_name(english:"RHEL 7 : pacemaker (RHSA-2016:2614)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"An update for pacemaker is now available for Red Hat Enterprise Linux
7.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

The Pacemaker cluster resource manager is a collection of technologies
working together to provide data integrity and the ability to maintain
application availability in the event of a failure.

Security Fix(es) :

* An authorization flaw was found in Pacemaker, where it did not
properly guard its IPC interface. An attacker with an unprivileged
account on a Pacemaker node could use this flaw to, for example, force
the Local Resource Manager daemon to execute a script as root and
thereby gain root access on the machine. (CVE-2016-7035)

This issue was discovered by Jan 'poki' Pokorny (Red Hat) and Alain
Moulle (ATOS/BULL).

Bug Fix(es) :

* The version of Pacemaker in Red Hat Enterprise Linux 7.3
incorporated an increase in the version number of the remote node
protocol. Consequently, cluster nodes running Pacemaker in Red Hat
Enterprise Linux 7.3 and remote nodes running earlier versions of Red
Hat Enterprise Linux were not able to communicate with each other
unless special precautions were taken. This update preserves the
rolling upgrade capability. (BZ#1389023)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2016:2614"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-7035"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/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:redhat:enterprise_linux:pacemaker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-cluster-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-cts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-nagios-plugins-metadata");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pacemaker-remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/11/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/11/07");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


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

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = eregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! ereg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.x", "Red Hat " + 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$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2016:2614";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-cli-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-cli-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"i686", reference:"pacemaker-cluster-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-cluster-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-cluster-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-cts-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-cts-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"i686", reference:"pacemaker-debuginfo-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-debuginfo-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-debuginfo-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-doc-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-doc-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"i686", reference:"pacemaker-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-libs-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"i686", reference:"pacemaker-libs-devel-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-libs-devel-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-libs-devel-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-nagios-plugins-metadata-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-nagios-plugins-metadata-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"pacemaker-remote-1.1.15-11.el7_3.2")) flag++;
  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"pacemaker-remote-1.1.15-11.el7_3.2")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "pacemaker / pacemaker-cli / pacemaker-cluster-libs / pacemaker-cts / etc");
  }
}
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