RHEL 6 / 7 : JBoss EAP (RHSA-2017:0834)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2017:0834. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(112256);
  script_version("1.6");
  script_cvs_date("Date: 2019/10/24 15:35:42");

  script_cve_id("CVE-2016-8656", "CVE-2016-9589");
  script_xref(name:"RHSA", value:"2017:0834");

  script_name(english:"RHEL 6 / 7 : JBoss EAP (RHSA-2017:0834)");
  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 eap7-jboss-ec2-eap is now available for Red Hat JBoss
Enterprise Application Platform 7.0 for RHEL 6 and Red Hat JBoss
Enterprise Application Platform 7.0 for RHEL 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 eap7-jboss-ec2-eap package provides scripts for Red Hat JBoss
Enterprise Application Platform running on the Amazon Web Services
(AWS) Elastic Compute Cloud (EC2).

With this update, the eap7-jboss-ec2-eap package has been updated to
ensure compatibility with Red Hat JBoss Enterprise Application
Platform 7.0.5.

Refer to the JBoss Enterprise Application Platform 7.0.5 Release
Notes, linked to in the References section, for information on the
most significant bug fixes and enhancements included in this release.

Security Fix(es) :

* It was discovered that the jboss init script performed unsafe file
handling which could result in local privilege
escalation.(CVE-2016-8656)

* It was found that JBoss EAP 7 Header Cache was inefficient. An
attacker could use this flaw to cause a denial of service
attack.(CVE-2016-9589)

The CVE-2016-9589 issue was discovered by Gabriel Lavoie (Halogen
Software).

Before applying this update, back up your existing Red Hat JBoss
Enterprise Application Platform installation and deployed
applications."
  );
  # https://access.redhat.com/documentation/en/
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/documentation/en-us/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2017:0834"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-8656"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-9589"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected eap7-jboss-ec2-eap and / or
eap7-jboss-ec2-eap-samples packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/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:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:eap7-jboss-ec2-eap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:eap7-jboss-ec2-eap-samples");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/03/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/04");
  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|7)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.x / 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-2017:0834";
  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_exists(release:"RHEL6", rpm:"eap7-jboss") || rpm_exists(release:"RHEL7", rpm:"eap7-jboss"))) audit(AUDIT_PACKAGE_NOT_INSTALLED, "JBoss EAP");

  if (rpm_check(release:"RHEL6", reference:"eap7-jboss-ec2-eap-7.0.5-1.GA_redhat_1.ep7.el6")) flag++;
  if (rpm_check(release:"RHEL6", reference:"eap7-jboss-ec2-eap-samples-7.0.5-1.GA_redhat_1.ep7.el6")) flag++;

  if (rpm_check(release:"RHEL7", reference:"eap7-jboss-ec2-eap-7.0.5-1.GA_redhat_1.ep7.el7")) flag++;
  if (rpm_check(release:"RHEL7", reference:"eap7-jboss-ec2-eap-samples-7.0.5-1.GA_redhat_1.ep7.el7")) 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, "eap7-jboss-ec2-eap / eap7-jboss-ec2-eap-samples");
  }
}