RHEL 7 : firefox (RHSA-2019:1763)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:1763. The text 
# itself is copyright (C) Red Hat, Inc.
#

include('compat.inc');

if (description)
{
  script_id(126680);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/10");

  script_cve_id(
    "CVE-2019-11709",
    "CVE-2019-11711",
    "CVE-2019-11712",
    "CVE-2019-11713",
    "CVE-2019-11715",
    "CVE-2019-11717",
    "CVE-2019-11730",
    "CVE-2019-9811"
  );
  script_xref(name:"RHSA", value:"2019:1763");

  script_name(english:"RHEL 7 : firefox (RHSA-2019:1763)");

  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 7.

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 60.8.0 ESR.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8
(CVE-2019-11709)

* Mozilla: Sandbox escape via installation of malicious language pack
(CVE-2019-9811)

* Mozilla: Script injection within domain through inner window reuse
(CVE-2019-11711)

* Mozilla: Cross-origin POST requests can be made with NPAPI plugins
by following 308 redirects (CVE-2019-11712)

* Mozilla: Use-after-free with HTTP/2 cached stream (CVE-2019-11713)

* Mozilla: HTML parsing error can contribute to content XSS
(CVE-2019-11715)

* Mozilla: Caret character improperly escaped in origins
(CVE-2019-11717)

* Mozilla: Same-origin policy treats all files in a directory as
having the same-origin (CVE-2019-11730)

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-2019:1763");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-9811");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11709");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11711");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11712");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11713");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11715");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11717");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11730");
  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:"cvss_score_source", value:"CVE-2019-11713");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/15");

  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:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.6");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  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-2019:1763";
  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:"i686", reference:"firefox-60.8.0-1.el7_6", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"firefox-60.8.0-1.el7_6", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"firefox-60.8.0-1.el7_6", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL7", cpu:"i686", reference:"firefox-debuginfo-60.8.0-1.el7_6", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL7", cpu:"s390x", reference:"firefox-debuginfo-60.8.0-1.el7_6", allowmaj:TRUE)) flag++;

  if (rpm_check(release:"RHEL7", cpu:"x86_64", reference:"firefox-debuginfo-60.8.0-1.el7_6", 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");
  }
}