SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3458-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:3458-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(143723);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/05");

  script_cve_id(
    "CVE-2020-15999",
    "CVE-2020-16012",
    "CVE-2020-26951",
    "CVE-2020-26953",
    "CVE-2020-26956",
    "CVE-2020-26958",
    "CVE-2020-26959",
    "CVE-2020-26960",
    "CVE-2020-26961",
    "CVE-2020-26965",
    "CVE-2020-26966",
    "CVE-2020-26968"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");
  script_xref(name:"CEA-ID", value:"CEA-2020-0124");

  script_name(english:"SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3458-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update for MozillaFirefox fixes the following issues :

Firefox Extended Support Release 78.5.0 ESR (bsc#1178824)

  - CVE-2020-26951: Parsing mismatches could confuse and
    bypass security sanitizer for chrome privileged code

  - CVE-2020-16012: Variable time processing of cross-origin
    images during drawImage calls

  - CVE-2020-26953: Fullscreen could be enabled without
    displaying the security UI

  - CVE-2020-26956: XSS through paste (manual and clipboard
    API)

  - CVE-2020-26958: Requests intercepted through
    ServiceWorkers lacked MIME type restrictions

  - CVE-2020-26959: Use-after-free in WebRequestService

  - CVE-2020-26960: Potential use-after-free in uses of
    nsTArray

  - CVE-2020-15999: Heap buffer overflow in freetype

  - CVE-2020-26961: DoH did not filter IPv4 mapped IP
    Addresses

  - CVE-2020-26965: Software keyboards may have remembered
    typed passwords

  - CVE-2020-26966: Single-word search queries were also
    broadcast to local network

  - CVE-2020-26968: Memory safety bugs fixed in Firefox 83
    and Firefox ESR 78.5

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178824");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-15999/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-16012/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26951/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26953/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26956/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26958/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26959/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26960/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26961/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26965/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26966/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26968/");
  # https://www.suse.com/support/update/announcement/2020/suse-su-20203458-1
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a37a871d");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Desktop Applications 15-SP2 :

zypper in -t patch
SUSE-SLE-Module-Desktop-Applications-15-SP2-2020-3458=1");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/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:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-26968");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-translations-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-translations-other");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-debuginfo-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-debugsource-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-devel-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-translations-common-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-translations-other-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-debuginfo-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-debugsource-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-devel-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-translations-common-78.5.0-8.17.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-translations-other-78.5.0-8.17.1")) flag++;


if (flag)
{
  set_kb_item(name:'www/0/XSS', value:TRUE);
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "MozillaFirefox");
}