RHEL 7 : golang (RHSA-2018:0878)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:0878. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(108990);
  script_version("1.7");
  script_cvs_date("Date: 2019/10/24 15:35:44");

  script_cve_id("CVE-2017-15041", "CVE-2017-15042", "CVE-2018-6574");
  script_xref(name:"RHSA", value:"2018:0878");

  script_name(english:"RHEL 7 : golang (RHSA-2018:0878)");
  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 golang is now available for Red Hat Enterprise Linux 7.

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.

The golang packages provide the Go programming language compiler.

The following packages have been upgraded to a later upstream version:
golang (1.9.4). (BZ#1479095, BZ#1499827)

Security Fix(es) :

* golang: arbitrary code execution during 'go get' or 'go get -d'
(CVE-2017-15041)

* golang: smtp.PlainAuth susceptible to man-in-the-middle password
harvesting (CVE-2017-15042)

* golang: arbitrary code execution during 'go get' via C compiler
options (CVE-2018-6574)

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.

Additional Changes :

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.5 Release Notes linked from the References section."
  );
  # https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/7/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?dde41582"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2018:0878"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-15041"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-15042"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6574"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/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:golang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-misc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-src");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:golang-tests");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/10/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/11");
  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:"^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-2018:0878";
  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:"golang-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"golang-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"golang-bin-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"golang-bin-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", reference:"golang-docs-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", reference:"golang-misc-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", reference:"golang-src-1.9.4-1.el7")) flag++;

  if (rpm_check(release:"RHEL7", reference:"golang-tests-1.9.4-1.el7")) 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, "golang / golang-bin / golang-docs / golang-misc / golang-src / etc");
  }
}