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nessusThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.ORACLELINUX_ELSA-2019-1972.NASL
HistoryAug 12, 2019 - 12:00 a.m.

Oracle Linux 8 : ruby:2.5 (ELSA-2019-1972)

2019-08-1200:00:00
This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
9

From Red Hat Security Advisory 2019:1972 :

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8.

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.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es) :

  • rubygems: Installing a malicious gem may lead to arbitrary code execution (CVE-2019-8324)

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.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2019:1972 and 
# Oracle Linux Security Advisory ELSA-2019-1972 respectively.
#

include("compat.inc");

if (description)
{
  script_id(127610);
  script_version("1.3");
  script_cvs_date("Date: 2020/01/06");

  script_cve_id("CVE-2019-8324");
  script_xref(name:"RHSA", value:"2019:1972");

  script_name(english:"Oracle Linux 8 : ruby:2.5 (ELSA-2019-1972)");
  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:
"From Red Hat Security Advisory 2019:1972 :

An update for the ruby:2.5 module is now available for Red Hat
Enterprise Linux 8.

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.

Ruby is an extensible, interpreted, object-oriented, scripting
language. It has features to process text files and to perform system
management tasks.

Security Fix(es) :

* rubygems: Installing a malicious gem may lead to arbitrary code
execution (CVE-2019-8324)

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."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2019-August/009013.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected ruby:2.5 packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/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:R/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ruby");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ruby-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ruby-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ruby-irb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ruby-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-abrt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-abrt-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-bigdecimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-bson");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-bson-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-bundler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-bundler-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-did_you_mean");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-io-console");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-json");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-minitest");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-mongo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-mongo-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-mysql2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-mysql2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-net-telnet");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-openssl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-pg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-pg-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-power_assert");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-psych");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-rake");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-rdoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-test-unit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygem-xmlrpc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rubygems-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Oracle Linux Local Security Checks");

  script_dependencies("ssh_get_info.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");


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:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 8", "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 && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

flag = 0;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"ruby-2.5.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"ruby-devel-2.5.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"ruby-doc-2.5.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"ruby-irb-2.5.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"ruby-libs-2.5.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-abrt-0.3.0-4.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-abrt-doc-0.3.0-4.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-bigdecimal-1.3.4-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-bson-4.3.0-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-bson-doc-4.3.0-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-bundler-1.16.1-3.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-bundler-doc-1.16.1-3.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-did_you_mean-1.2.0-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-io-console-0.4.6-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-json-2.1.0-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-minitest-5.10.3-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-mongo-2.5.1-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-mongo-doc-2.5.1-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-mysql2-0.4.10-4.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-mysql2-doc-0.4.10-4.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-net-telnet-0.1.1-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-openssl-2.1.2-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-pg-1.0.0-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-pg-doc-1.0.0-2.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-power_assert-1.1.1-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-psych-3.0.2-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-rake-12.3.0-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-rdoc-6.0.1-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-test-unit-3.2.7-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygem-xmlrpc-0.3.0-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygems-2.7.6-104.module+el8.0.0+5238+4f9ac61b")) flag++;
if (rpm_check(release:"EL8", cpu:"x86_64", reference:"rubygems-devel-2.7.6-104.module+el8.0.0+5238+4f9ac61b")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ruby / ruby-devel / ruby-doc / ruby-irb / ruby-libs / rubygem-abrt / etc");
}
Related for ORACLELINUX_ELSA-2019-1972.NASL