RHEL 6 : chromium-browser (RHSA-2018:1195)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:1195. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(109299);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/28");

  script_cve_id("CVE-2018-6085", "CVE-2018-6086", "CVE-2018-6087", "CVE-2018-6088", "CVE-2018-6089", "CVE-2018-6090", "CVE-2018-6091", "CVE-2018-6092", "CVE-2018-6093", "CVE-2018-6094", "CVE-2018-6095", "CVE-2018-6096", "CVE-2018-6097", "CVE-2018-6098", "CVE-2018-6099", "CVE-2018-6100", "CVE-2018-6101", "CVE-2018-6102", "CVE-2018-6103", "CVE-2018-6104", "CVE-2018-6105", "CVE-2018-6106", "CVE-2018-6107", "CVE-2018-6108", "CVE-2018-6109", "CVE-2018-6110", "CVE-2018-6111", "CVE-2018-6112", "CVE-2018-6113", "CVE-2018-6114", "CVE-2018-6116", "CVE-2018-6117");
  script_xref(name:"RHSA", value:"2018:1195");

  script_name(english:"RHEL 6 : chromium-browser (RHSA-2018:1195)");
  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 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.

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

This update upgrades Chromium to version 66.0.3359.117.

Security Fix(es) :

* chromium-browser: Use after free in Disk Cache (CVE-2018-6085)

* chromium-browser: Use after free in Disk Cache (CVE-2018-6086)

* chromium-browser: Use after free in WebAssembly (CVE-2018-6087)

* chromium-browser: Use after free in PDFium (CVE-2018-6088)

* chromium-browser: Same origin policy bypass in Service Worker
(CVE-2018-6089)

* chromium-browser: Heap buffer overflow in Skia (CVE-2018-6090)

* chromium-browser: Incorrect handling of plug-ins by Service Worker
(CVE-2018-6091)

* chromium-browser: Integer overflow in WebAssembly (CVE-2018-6092)

* chromium-browser: Same origin bypass in Service Worker
(CVE-2018-6093)

* chromium-browser: Exploit hardening regression in Oilpan
(CVE-2018-6094)

* chromium-browser: Lack of meaningful user interaction requirement
before file upload (CVE-2018-6095)

* chromium-browser: Fullscreen UI spoof (CVE-2018-6096)

* chromium-browser: Fullscreen UI spoof (CVE-2018-6097)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6098)

* chromium-browser: CORS bypass in ServiceWorker (CVE-2018-6099)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6100)

* chromium-browser: Insufficient protection of remote debugging
prototol in DevTools (CVE-2018-6101)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6102)

* chromium-browser: UI spoof in Permissions (CVE-2018-6103)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6104)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6105)

* chromium-browser: Incorrect handling of promises in V8
(CVE-2018-6106)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6107)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6108)

* chromium-browser: Incorrect handling of files by FileAPI
(CVE-2018-6109)

* chromium-browser: Incorrect handling of plaintext files via file://
(CVE-2018-6110)

* chromium-browser: Heap-use-after-free in DevTools (CVE-2018-6111)

* chromium-browser: Incorrect URL handling in DevTools (CVE-2018-6112)

* chromium-browser: URL spoof in Navigation (CVE-2018-6113)

* chromium-browser: CSP bypass (CVE-2018-6114)

* chromium-browser: Incorrect low memory handling in WebAssembly
(CVE-2018-6116)

* chromium-browser: Confusing autofill settings (CVE-2018-6117)

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-2018:1195"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6085"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6086"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6087"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6088"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6089"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6090"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6091"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6092"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6093"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6094"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6095"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6096"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6097"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6098"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6099"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6100"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6101"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6102"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6103"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6104"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6105"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6106"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6107"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6108"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6109"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6110"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6111"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6112"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6113"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6114"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6116"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-6117"
  );
  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:POC/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: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: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:"2018/12/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/24");
  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-2018:1195";
  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-66.0.3359.117-1.el6_9", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-66.0.3359.117-1.el6_9", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"chromium-browser-debuginfo-66.0.3359.117-1.el6_9", allowmaj:TRUE)) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-debuginfo-66.0.3359.117-1.el6_9", 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");
  }
}