RHEL 8 : firefox (RHSA-2019:0966)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:0966. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(124662);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/29");

  script_cve_id("CVE-2018-18506", "CVE-2019-9788", "CVE-2019-9790", "CVE-2019-9791", "CVE-2019-9792", "CVE-2019-9793", "CVE-2019-9795", "CVE-2019-9796", "CVE-2019-9810", "CVE-2019-9813");
  script_xref(name:"RHSA", value:"2019:0966");

  script_name(english:"RHEL 8 : firefox (RHSA-2019:0966)");
  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 firefox is now available for Red Hat Enterprise Linux 8.

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

Mozilla Firefox is an open source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 60.6.1 ESR. (BZ#1690308)

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6
(CVE-2019-9788)

* Mozilla: Use-after-free when removing in-use DOM elements
(CVE-2019-9790)

* Mozilla: Type inference is incorrect for constructors entered
through on-stack replacement with IonMonkey (CVE-2019-9791)

* Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script
(CVE-2019-9792)

* Mozilla: IonMonkey MArraySlice has incorrect alias information
(CVE-2019-9810)

* Mozilla: Ionmonkey type confusion with __proto__ mutations
(CVE-2019-9813)

* Mozilla: Improper bounds checks when Spectre mitigations are
disabled (CVE-2019-9793)

* Mozilla: Type-confusion in IonMonkey JIT compiler (CVE-2019-9795)

* Mozilla: Use-after-free with SMIL animation controller
(CVE-2019-9796)

* Mozilla: Proxy Auto-Configuration file can define localhost access
to be proxied (CVE-2018-18506)

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://access.redhat.com/errata/RHSA-2019:0966"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-18506"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9788"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9790"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9791"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9792"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9793"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9795"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9796"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9810"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9813"
  );
  script_set_attribute(
    attribute:"solution",
    value:
"Update the affected firefox, firefox-debuginfo and / or
firefox-debugsource packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  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_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:firefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:firefox-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:firefox-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/07");
  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:"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-2019:0966";
  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:"RHEL8", cpu:"s390x", reference:"firefox-60.6.1-1.el8", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"firefox-60.6.1-1.el8", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"firefox-debuginfo-60.6.1-1.el8", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"firefox-debuginfo-60.6.1-1.el8", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"firefox-debugsource-60.6.1-1.el8", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"firefox-debugsource-60.6.1-1.el8", allowmaj:TRUE)) 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, "firefox / firefox-debuginfo / firefox-debugsource");
  }
}