RHEL 6 : firefox (RHSA-2018:2693)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:2693. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(117470);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/28");

  script_cve_id("CVE-2017-16541", "CVE-2018-12376", "CVE-2018-12377", "CVE-2018-12378", "CVE-2018-12379");
  script_xref(name:"RHSA", value:"2018:2693");

  script_name(english:"RHEL 6 : firefox (RHSA-2018:2693)");
  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 6.

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 60.2.0 ESR.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2
(CVE-2018-12376)

* Mozilla: Use-after-free in driver timers (CVE-2018-12377)

* Mozilla: Use-after-free in IndexedDB (CVE-2018-12378)

* Mozilla: Proxy bypass using automount and autofs (CVE-2017-16541)

* Mozilla: Out-of-bounds write with malicious MAR file
(CVE-2018-12379)

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.

Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges Alex Gaynor, Boris Zbarsky, Christoph
Diehl, Christian Holler, Jason Kratzer, Jed Davis, Tyson Smith, Bogdan
Tara, Karl Tomlinson, Mats Palmgren, Nika Layzell, Ted Campbell, Nils,
Zhanjia Song, and Holger Fuhrmannek as the original reporters."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2018:2693"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-16541"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-12376"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-12377"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-12378"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-12379"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Update the affected firefox and / or firefox-debuginfo 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:POC/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:P/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:"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:"cpe:/o:redhat:enterprise_linux:6");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/11/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/09/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/13");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2022 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([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.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-2018:2693";
  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:"RHEL6", cpu:"i686", reference:"firefox-60.2.0-1.el6", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"firefox-60.2.0-1.el6", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"firefox-60.2.0-1.el6", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"firefox-debuginfo-60.2.0-1.el6", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"firefox-debuginfo-60.2.0-1.el6", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"firefox-debuginfo-60.2.0-1.el6", 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");
  }
}