RHEL 6 : chromium-browser (RHSA-2019:1021)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:1021. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(124691);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/29");

  script_cve_id("CVE-2019-5805", "CVE-2019-5806", "CVE-2019-5807", "CVE-2019-5808", "CVE-2019-5809", "CVE-2019-5810", "CVE-2019-5811", "CVE-2019-5813", "CVE-2019-5814", "CVE-2019-5815", "CVE-2019-5818", "CVE-2019-5819", "CVE-2019-5820", "CVE-2019-5821", "CVE-2019-5822", "CVE-2019-5823", "CVE-2019-5825", "CVE-2019-5826");
  script_xref(name:"RHSA", value:"2019:1021");

  script_name(english:"RHEL 6 : chromium-browser (RHSA-2019:1021)");
  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 chromium-browser is now available for Red Hat Enterprise
Linux 6 Supplementary.

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.

Chromium is an open source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 74.0.3729.108.

Security Fix(es) :

* chromium-browser: Use after free in PDFium (CVE-2019-5805)

* chromium-browser: Integer overflow in Angle (CVE-2019-5806)

* chromium-browser: Memory corruption in V8 (CVE-2019-5807)

* chromium-browser: Use after free in Blink (CVE-2019-5808)

* chromium-browser: Use after free in Blink (CVE-2019-5809)

* chromium-browser: User information disclosure in Autofill
(CVE-2019-5810)

* chromium-browser: CORS bypass in Blink (CVE-2019-5811)

* chromium-browser: Out of bounds read in V8 (CVE-2019-5813)

* chromium-browser: CORS bypass in Blink (CVE-2019-5814)

* chromium-browser: Heap buffer overflow in Blink (CVE-2019-5815)

* chromium-browser: Uninitialized value in media reader
(CVE-2019-5818)

* chromium-browser: Incorrect escaping in developer tools
(CVE-2019-5819)

* chromium-browser: Integer overflow in PDFium (CVE-2019-5820)

* chromium-browser: Integer overflow in PDFium (CVE-2019-5821)

* chromium-browser: CORS bypass in download manager (CVE-2019-5822)

* chromium-browser: Forced navigation from service worker
(CVE-2019-5823)

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-2019:1021"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5805"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5806"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5807"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5808"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5809"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5810"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5811"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5813"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5814"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5815"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5818"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5819"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5820"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5821"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5822"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5823"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5825"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5826"
  );
  script_set_attribute(
    attribute:"solution",
    value:
"Update the affected chromium-browser and / or
chromium-browser-debuginfo 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:F/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:F/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:"metasploit_name", value:'Google Chrome 72 and 73 Array.map exploit');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:chromium-browser");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:chromium-browser-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/08");
  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:"^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-2019:1021";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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:"chromium-browser-74.0.3729.108-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-74.0.3729.108-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"chromium-browser-debuginfo-74.0.3729.108-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-debuginfo-74.0.3729.108-1.el6_10", allowmaj:TRUE)) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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, "chromium-browser / chromium-browser-debuginfo");
  }
}