RHEL 6 / 7 : apr (RHSA-2018:1253)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:1253. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(109391);
  script_version("1.5");
  script_cvs_date("Date: 2019/10/24 15:35:44");

  script_cve_id("CVE-2017-12613");
  script_xref(name:"RHSA", value:"2018:1253");

  script_name(english:"RHEL 6 / 7 : apr (RHSA-2018:1253)");
  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 apr is now available for Red Hat Enterprise Linux 6.4
Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update
Support, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red Hat
Enterprise Linux 6.6 Telco Extended Update Support, Red Hat Enterprise
Linux 6.7 Extended Update Support, Red Hat Enterprise Linux 7.2
Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended
Update Support, Red Hat Enterprise Linux 7.2 Update Services for SAP
Solutions, and Red Hat Enterprise Linux 7.3 Extended Update Support.

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 Apache Portable Runtime (APR) is a portability library used by the
Apache HTTP Server and other projects. It provides a free library of C
data structures and routines.

Security Fix(es) :

* apr: Out-of-bounds array deref in apr_time_exp*() functions
(CVE-2017-12613)

For more details about the security issue(s), including the impact, a
CVSS score, and other related information, refer to the CVE page(s)
listed in the References section."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2018:1253"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-12613"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected apr, apr-debuginfo and / or apr-devel packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:apr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:apr-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:apr-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.2");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.3");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/10/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/27");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2019 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 = 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:"^(6\.4|6\.5|6\.6|6\.7|7\.2|7\.3)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.4 / 6.5 / 6.6 / 6.7 / 7.2 / 7.3", "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-2018:1253";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{  sp = get_kb_item("Host/RedHat/minor_release");
  if (isnull(sp)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");

  flag = 0;
  if (rpm_check(release:"RHEL6", sp:"7", reference:"apr-1.3.9-5.el6_7.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"i686", reference:"apr-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"i686", reference:"apr-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"i686", reference:"apr-1.3.9-5.el6_5.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"x86_64", reference:"apr-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"x86_64", reference:"apr-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"x86_64", reference:"apr-1.3.9-5.el6_5.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"7", reference:"apr-debuginfo-1.3.9-5.el6_7.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"i686", reference:"apr-debuginfo-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"i686", reference:"apr-debuginfo-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"i686", reference:"apr-debuginfo-1.3.9-5.el6_5.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"x86_64", reference:"apr-debuginfo-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"x86_64", reference:"apr-debuginfo-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"x86_64", reference:"apr-debuginfo-1.3.9-5.el6_5.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"7", reference:"apr-devel-1.3.9-5.el6_7.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"i686", reference:"apr-devel-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"i686", reference:"apr-devel-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"i686", reference:"apr-devel-1.3.9-5.el6_5.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"6", cpu:"x86_64", reference:"apr-devel-1.3.9-5.el6_6.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"4", cpu:"x86_64", reference:"apr-devel-1.3.9-5.el6_4.1")) flag++;
  if (rpm_check(release:"RHEL6", sp:"5", cpu:"x86_64", reference:"apr-devel-1.3.9-5.el6_5.1")) flag++;

  if (rpm_check(release:"RHEL7", sp:"3", reference:"apr-1.4.8-3.el7_3.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"i686", reference:"apr-1.4.8-3.el7_2.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"apr-1.4.8-3.el7_2.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"3", reference:"apr-debuginfo-1.4.8-3.el7_3.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"i686", reference:"apr-debuginfo-1.4.8-3.el7_2.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"apr-debuginfo-1.4.8-3.el7_2.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"3", reference:"apr-devel-1.4.8-3.el7_3.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"i686", reference:"apr-devel-1.4.8-3.el7_2.1")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"apr-devel-1.4.8-3.el7_2.1")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      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, "apr / apr-debuginfo / apr-devel");
  }
}