RHEL 6 : thunderbird (RHSA-2020:0574)

2020-02-25T00:00:00
ID REDHAT-RHSA-2020-0574.NASL
Type nessus
Reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-02-25T00:00:00

Description

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

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.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.5.0.

Security Fix(es) :

  • Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)

  • Mozilla: Out-of-bounds read when processing certain email messages (CVE-2020-6793)

  • Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords (CVE-2020-6794)

  • Mozilla: Crash processing S/MIME messages with multiple signatures (CVE-2020-6795)

  • Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)

  • Mozilla: Message ID calculation was based on uninitialized data (CVE-2020-6792)

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.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:0574. The text
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(134029);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/01");

  script_cve_id("CVE-2020-6792", "CVE-2020-6793", "CVE-2020-6794", "CVE-2020-6795", "CVE-2020-6798", "CVE-2020-6800");
  script_xref(name:"RHSA", value:"2020:0574");

  script_name(english:"RHEL 6 : thunderbird (RHSA-2020:0574)");
  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 thunderbird is now available for Red Hat Enterprise
Linux 6.

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.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.5.0.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
(CVE-2020-6800)

* Mozilla: Out-of-bounds read when processing certain email messages
(CVE-2020-6793)

* Mozilla: Setting a master password post-Thunderbird 52 does not
delete unencrypted previously stored passwords (CVE-2020-6794)

* Mozilla: Crash processing S/MIME messages with multiple signatures
(CVE-2020-6795)

* Mozilla: Incorrect parsing of template tag could result in
JavaScript injection (CVE-2020-6798)

* Mozilla: Message ID calculation was based on uninitialized data
(CVE-2020-6792)

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://www.mozilla.org/en-US/security/advisories/mfsa2020-07/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2020:0574"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6792"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6793"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6794"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6795"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6798"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2020-6800"
  );
  script_set_attribute(
    attribute:"solution",
    value:
"Update the affected thunderbird and / or thunderbird-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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-6800");
  script_cwe_id(120, 125, 312, 456, 476, 79);
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6::client");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6::server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6::workstation");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:thunderbird");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/02/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/25");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 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 && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

pkgs = [
    {'reference':'thunderbird-68.5.0-1.el6_10', 'cpu':'i686', 'release':'6', 'allowmaj':TRUE},
    {'reference':'thunderbird-68.5.0-1.el6_10', 'cpu':'s390x', 'release':'6', 'allowmaj':TRUE},
    {'reference':'thunderbird-68.5.0-1.el6_10', 'cpu':'x86_64', 'release':'6', 'allowmaj':TRUE}
];

flag = 0;
foreach package_array ( pkgs ) {
  reference = NULL;
  release = NULL;
  sp = NULL;
  cpu = NULL;
  el_string = NULL;
  rpm_spec_vers_cmp = NULL;
  epoch = NULL;
  allowmaj = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) release = 'RHEL' + package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (reference && release) {
    if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) 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, 'thunderbird');
}