SUSE SLES11 Security Update : mozilla-nspr, mozilla-nss (SUSE-SU-2020:14418-1)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2020:14418-1. The text itself
# is copyright (C) SUSE.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(150659);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/26");

  script_cve_id(
    "CVE-2019-11727",
    "CVE-2019-11745",
    "CVE-2019-17006",
    "CVE-2020-12399",
    "CVE-2020-12402"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2020:14418-1");
  script_xref(name:"IAVA", value:"2019-A-0231-S");
  script_xref(name:"IAVA", value:"2019-A-0438-S");
  script_xref(name:"IAVA", value:"2020-A-0287-S");

  script_name(english:"SUSE SLES11 Security Update : mozilla-nspr, mozilla-nss (SUSE-SU-2020:14418-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in
the SUSE-SU-2020:14418-1 advisory.

  - A vulnerability exists where it possible to force Network Security Services (NSS) to sign
    CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in
    CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This
    vulnerability affects Firefox < 68. (CVE-2019-11727)

  - When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the
    block size, a small out of bounds write could occur. This could have caused heap corruption and a
    potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and
    Firefox < 71. (CVE-2019-11745)

  - In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length
    checks. In cases where the application calling the library did not perform a sanity check on the inputs it
    could result in a crash due to a buffer overflow. (CVE-2019-17006)

  - NSS has shown timing differences when performing DSA signatures, which was exploitable and could
    eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox
    ESR < 68.9. (CVE-2020-12399)

  - During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean
    Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform
    electromagnetic-based side channel attacks to record traces leading to the recovery of the secret primes.
    *Note:* An unmodified Firefox browser does not generate RSA keys in normal operation and is not affected,
    but products built on top of it might. This vulnerability affects Firefox < 78. (CVE-2020-12402)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1141322");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1158527");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1159819");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1168669");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1169746");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1170908");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1171978");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1173032");
  # https://lists.suse.com/pipermail/sle-security-updates/2020-July/007079.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2066354a");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-11727");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-11745");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-17006");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-12399");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-12402");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:N/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:"cvss_score_source", value:"CVE-2019-17006");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libfreebl3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libfreebl3-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libsoftokn3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libsoftokn3-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nspr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nspr-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nspr-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss-certs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss-certs-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:mozilla-nss-tools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  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/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:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES11', '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 ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< 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 == "SLES11" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP4", os_ver + " SP" + sp);

pkgs = [
    {'reference':'libfreebl3-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libfreebl3-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libfreebl3-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libsoftokn3-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libsoftokn3-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libsoftokn3-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nspr-32bit-4.25-29.12', 'sp':'4', 'cpu':'s390x', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nspr-32bit-4.25-29.12', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nspr-4.25-29.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nspr-devel-4.25-29.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-certs-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-certs-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-certs-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-devel-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-devel-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-tools-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'mozilla-nss-tools-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'SLES_SAP-release-11.4'},
    {'reference':'libfreebl3-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'libfreebl3-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'libfreebl3-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'libsoftokn3-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'libsoftokn3-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'libsoftokn3-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nspr-32bit-4.25-29.12', 'sp':'4', 'cpu':'s390x', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nspr-32bit-4.25-29.12', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nspr-4.25-29.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nspr-devel-4.25-29.12', 'sp':'4', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-certs-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-certs-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-certs-32bit-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-devel-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-devel-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-tools-3.53.1-38.23', 'sp':'4', 'cpu':'i586', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'},
    {'reference':'mozilla-nss-tools-3.53.1-38.23', 'sp':'4', 'cpu':'x86_64', 'release':'SLES11', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'sles-release-11.4'}
];

flag = 0;
foreach package_array ( pkgs ) {
  reference = NULL;
  release = NULL;
  sp = NULL;
  cpu = NULL;
  exists_check = NULL;
  rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) release = 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['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && release && exists_check) {
    if (rpm_exists(release:release, rpm:exists_check) && rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
  else if (reference && release) {
    if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  ltss_plugin_caveat = '\n' +
    'NOTE: This vulnerability check contains fixes that apply to\n' +
    'packages only available in SUSE Enterprise Linux Server LTSS\n' +
    'repositories. Access to these package security updates require\n' +
    'a paid SUSE LTSS subscription.\n';
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + ltss_plugin_caveat
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libfreebl3 / libfreebl3-32bit / libsoftokn3 / libsoftokn3-32bit / etc');
}