NewStart CGSL CORE 5.05 / MAIN 5.05 : exiv2 Multiple Vulnerabilities (NS-SA-2022-0040)

##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from ZTE advisory NS-SA-2022-0040. The text
# itself is copyright (C) ZTE, Inc.
##

include('compat.inc');

if (description)
{
  script_id(160777);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/09/24");

  script_cve_id("CVE-2019-17402");

  script_name(english:"NewStart CGSL CORE 5.05 / MAIN 5.05 : exiv2 Multiple Vulnerabilities (NS-SA-2022-0040)");

  script_set_attribute(attribute:"synopsis", value:
"The remote NewStart CGSL host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has exiv2 packages installed that are affected by
multiple vulnerabilities:

  - Exiv2 0.27.2 allows attackers to trigger a crash in Exiv2::getULong in types.cpp when called from
    Exiv2::Internal::CiffDirectory::readDirectory in crwimage_int.cpp, because there is no validation of the
    relationship of the total size to the offset and size. (CVE-2019-17402)

  - Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a
    duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this
    candidate. All references and descriptions in this candidate have been removed to prevent accidental usage
    (CVE-2021-31291)

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:"http://security.gd-linux.com/notice/NS-SA-2022-0040");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2019-17402");
  script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL exiv2 packages. Note that updated packages may not be available yet. Please contact ZTE for
more information.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/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:N/I:N/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-2019-17402");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/05/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:exiv2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:exiv2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:exiv2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:exiv2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:exiv2-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:exiv2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:exiv2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:exiv2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:exiv2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:exiv2-libs");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_core:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:5");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/ZTE-CGSL/release", "Host/ZTE-CGSL/rpm-list", "Host/cpu");

  exit(0);
}

include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var os_release = get_kb_item('Host/ZTE-CGSL/release');
if (isnull(os_release) || os_release !~ "^CGSL (MAIN|CORE)") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');

if (os_release !~ "CGSL\sCORE\s5\.05|CGSL\sMAIN\s5\.05")
  audit(AUDIT_OS_NOT, 'NewStart CGSL CORE 5.05 / NewStart CGSL MAIN 5.05');

if (!get_kb_item('Host/ZTE-CGSL/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$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'NewStart Carrier Grade Server Linux', cpu);

var flag = 0;

var pkgs = {
  'CGSL CORE 5.05': [
    'exiv2-0.27.0-4.el7_8',
    'exiv2-debuginfo-0.27.0-4.el7_8',
    'exiv2-devel-0.27.0-4.el7_8',
    'exiv2-doc-0.27.0-4.el7_8',
    'exiv2-libs-0.27.0-4.el7_8'
  ],
  'CGSL MAIN 5.05': [
    'exiv2-0.27.0-4.el7_8',
    'exiv2-debuginfo-0.27.0-4.el7_8',
    'exiv2-devel-0.27.0-4.el7_8',
    'exiv2-doc-0.27.0-4.el7_8',
    'exiv2-libs-0.27.0-4.el7_8'
  ]
};
var pkg_list = pkgs[os_release];
var pkg;
foreach (pkg in pkg_list)
  if (rpm_check(reference:pkg, release:'ZTE ' + os_release, rpm_spec_vers_cmp:TRUE)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'exiv2');
}