SUSE SLED12 / SLES12 Security Update : openexr (SUSE-SU-2021:2913-1)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2021:2913-1. The text itself
# is copyright (C) SUSE.
##

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

if (description)
{
  script_id(153014);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/13");

  script_cve_id(
    "CVE-2021-3476",
    "CVE-2021-20298",
    "CVE-2021-20299",
    "CVE-2021-20300",
    "CVE-2021-20302",
    "CVE-2021-20303",
    "CVE-2021-20304"
  );
  script_xref(name:"SuSE", value:"SUSE-SU-2021:2913-1");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openexr (SUSE-SU-2021:2913-1)");

  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 SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple
vulnerabilities as referenced in the SUSE-SU-2021:2913-1 advisory.

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to
    be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this
    vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no
    actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to
    system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows
    an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a
    crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The
    highest threat from this vulnerability is to system availability. (CVE-2021-20302)

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit
    a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds
    write on the heap. The greatest impact of this flaw is to application availability, with some potential
    impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted
    file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this
    vulnerability is to system availability. (CVE-2021-20304)

  - A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker
    who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting
    application availability. (CVE-2021-3476)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188457");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188458");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188459");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188460");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188461");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1188462");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20298");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20299");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20300");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20302");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20303");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-20304");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-3476");
  # https://lists.suse.com/pipermail/sle-security-updates/2021-September/009386.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3171ecc2");
  script_set_attribute(attribute:"solution", value:
"Update the affected libIlmImf-Imf_2_1-21, libIlmImf-Imf_2_1-21-32bit, openexr and / or openexr-devel packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/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:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/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-2021-20303");

  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:"2021/03/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/09/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/09/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libIlmImf-Imf_2_1-21");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libIlmImf-Imf_2_1-21-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openexr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openexr-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  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) 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('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED12|SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLED12 / SLES12 / SLES_SAP12', 'SUSE (' + os_ver + ')');

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

var 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);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLED12" && (! preg(pattern:"^(5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLED12 SP5", os_ver + " SP" + service_pack);
if (os_ver == "SLES12" && (! preg(pattern:"^(2|3|4|5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP2/3/4/5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(3|4|5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP3/4/5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'3', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.3']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'3', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.3']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.4']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'4', 'cpu':'x86_64', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.4']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12.5']},
    {'reference':'openexr-devel-2.1.0-6.37.1', 'sp':'5', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5']},
    {'reference':'openexr-devel-2.1.0-6.37.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-sdk-release-12.5']},
    {'reference':'libIlmImf-Imf_2_1-21-32bit-2.1.0-6.37.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLED12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5']},
    {'reference':'libIlmImf-Imf_2_1-21-32bit-2.1.0-6.37.1', 'sp':'5', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-we-release-12.5']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.2']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'2', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.2']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'3', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.3']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'3', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.3']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'3', 'cpu':'x86_64', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.3']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'3', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.3']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'4', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.4']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'4', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.4']},
    {'reference':'libIlmImf-Imf_2_1-21-2.1.0-6.37.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']},
    {'reference':'openexr-2.1.0-6.37.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sles-release-12.5']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var 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) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        if ('ltss' >< tolower(check)) ltss_caveat_required = TRUE;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  var ltss_plugin_caveat = NULL;
  if(ltss_caveat_required) 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_WARNING,
      extra      : rpm_report_get() + ltss_plugin_caveat
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libIlmImf-Imf_2_1-21 / libIlmImf-Imf_2_1-21-32bit / openexr / etc');
}