RHEL 8 : openvswitch2.12 (RHSA-2020:0172)

2020-01-22T00:00:00
ID REDHAT-RHSA-2020-0172.NASL
Type nessus
Reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-08-02T00:00:00

Description

An update for openvswitch2.12 is now available for Fast Datapath for RHEL 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es) :

  • dpdk: possible memory leak leads to denial of service (CVE-2019-14818)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

  • ovs-tcpundump doesn

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2020:0172. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(133161);
  script_version("1.2");
  script_cvs_date("Date: 2020/01/24");

  script_cve_id("CVE-2019-14818");
  script_xref(name:"RHSA", value:"2020:0172");

  script_name(english:"RHEL 8 : openvswitch2.12 (RHSA-2020:0172)");
  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 openvswitch2.12 is now available for Fast Datapath for
RHEL 8.

Red Hat Product Security has rated this update as having a security
impact of Moderate. 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.

Open vSwitch provides standard network bridging functions and support
for the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es) :

* dpdk: possible memory leak leads to denial of service
(CVE-2019-14818)

For more details about the security issue(s), including the impact, a
CVSS score, acknowledgments, and other related information, refer to
the CVE page(s) listed in the References section.

Bug Fix(es) :

* ovs-tcpundump doesn't work well on special packet (BZ#1780553)

* ovs-tcpundump -V won't exit (BZ#1780555)

* SyntaxError: Missing parentheses in call to 'print' (BZ#1780563)

* measure the time needed by ovn-controller to resync to a new SB db
(BZ# 1780719)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2020:0172"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-14818"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:network-scripts-openvswitch2.12");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openvswitch2.12");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openvswitch2.12-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openvswitch2.12-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openvswitch2.12-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openvswitch2.12-test");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-openvswitch2.12");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-openvswitch2.12-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/22");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 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 = pregmatch(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 (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 8.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-2020:0172";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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:"RHEL8", cpu:"s390x", reference:"network-scripts-openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"network-scripts-openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"openvswitch2.12-debuginfo-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"openvswitch2.12-debuginfo-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"openvswitch2.12-debugsource-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"openvswitch2.12-debugsource-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"openvswitch2.12-devel-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"openvswitch2.12-devel-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", reference:"openvswitch2.12-test-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-openvswitch2.12-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"python3-openvswitch2.12-debuginfo-2.12.0-12.el8fdp")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"python3-openvswitch2.12-debuginfo-2.12.0-12.el8fdp")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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, "network-scripts-openvswitch2.12 / openvswitch2.12 / etc");
  }
}