RHEL 6 : chromium-browser (RHSA-2018:3004)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:3004. The text 
# itself is copyright (C) Red Hat, Inc.
#

include('compat.inc');

if (description)
{
  script_id(118373);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");

  script_cve_id(
    "CVE-2018-5179",
    "CVE-2018-16435",
    "CVE-2018-17462",
    "CVE-2018-17463",
    "CVE-2018-17464",
    "CVE-2018-17465",
    "CVE-2018-17466",
    "CVE-2018-17467",
    "CVE-2018-17468",
    "CVE-2018-17469",
    "CVE-2018-17470",
    "CVE-2018-17471",
    "CVE-2018-17473",
    "CVE-2018-17474",
    "CVE-2018-17475",
    "CVE-2018-17476",
    "CVE-2018-17477"
  );
  script_xref(name:"RHSA", value:"2018:3004");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/06/22");

  script_name(english:"RHEL 6 : chromium-browser (RHSA-2018:3004)");

  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 70.0.3538.67.

Security Fix(es) :

* chromium-browser: Sandbox escape in AppCache (CVE-2018-17462)

* chromium-browser: Remote code execution in V8 (CVE-2018-17463)

* chromium-browser: URL spoof in Omnibox (CVE-2018-17464)

* chromium-browser: Use after free in V8 (CVE-2018-17465)

* chromium-browser: Memory corruption in Angle (CVE-2018-17466)

* lcms2: Integer overflow in AllocateDataSet() in cmscgats.c leading
to heap-based buffer overflow (CVE-2018-16435)

* chromium-browser: URL spoof in Omnibox (CVE-2018-17467)

* chromium-browser: Cross-origin URL disclosure in Blink
(CVE-2018-17468)

* chromium-browser: Heap buffer overflow in PDFium (CVE-2018-17469)

* chromium-browser: Memory corruption in GPU Internals
(CVE-2018-17470)

* chromium-browser: Security UI occlusion in full screen mode
(CVE-2018-17471)

* chromium-browser: URL spoof in Omnibox (CVE-2018-17473)

* chromium-browser: Use after free in Blink (CVE-2018-17474)

* chromium-browser: Lack of limits on update() in ServiceWorker
(CVE-2018-5179)

* chromium-browser: URL spoof in Omnibox (CVE-2018-17475)

* chromium-browser: Security UI occlusion in full screen mode
(CVE-2018-17476)

* chromium-browser: UI spoof in Extensions (CVE-2018-17477)

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.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2018:3004");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-5179");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-16435");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17462");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17463");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17464");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17465");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17466");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17467");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17468");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17469");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17470");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17471");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17473");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17474");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17475");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17476");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-17477");
  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:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-17474");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-17462");

  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 67, 68 and 69 Object.create exploit');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/09/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/25");

  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:"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) 2018-2023 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:"^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-2018:3004";
  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-70.0.3538.67-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-70.0.3538.67-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"chromium-browser-debuginfo-70.0.3538.67-1.el6_10", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-debuginfo-70.0.3538.67-1.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");
  }
}