NewStart CGSL MAIN 6.06 : bind Multiple Vulnerabilities (NS-SA-2026-0057)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from ZTE advisory NS-SA-2026-0057. The text
# itself is copyright (C) ZTE, Inc.
##

include('compat.inc');

if (description)
{
  script_id(330502);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/29");

  script_cve_id("CVE-2023-0240", "CVE-2024-1737");

  script_name(english:"NewStart CGSL MAIN 6.06 : bind Multiple Vulnerabilities (NS-SA-2026-0057)");

  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 MAIN 6.06, has bind packages installed that are affected by multiple
vulnerabilities:

  - There is a logic error in io_uring's implementation which can be used to trigger a use-after-free
    vulnerability leading to privilege escalation. In the io_prep_async_work function the assumption that the
    last io_grab_identity call cannot return false is not true, and in this case the function will use the
    init_cred or the previous linked requests identity to do operations instead of using the current identity.
    This can lead to reference counting issues causing use-after-free. We recommend upgrading past version
    5.10.161. (CVE-2023-0240)

  - Resolver caches and authoritative zone databases that hold significant numbers of RRs for the same
    hostname (of any RTYPE) can suffer from degraded performance as content is being added or updated, and
    also when handling client queries for this name. This issue affects BIND 9 versions 9.11.0 through
    9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.4-S1 through
    9.11.37-S1, 9.16.8-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1. (CVE-2024-1737)

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://security.gd-linux.com/notice/NS-SA-2026-0057");
  script_set_attribute(attribute:"see_also", value:"https://security.gd-linux.com/info/CVE-2023-0240");
  script_set_attribute(attribute:"see_also", value:"https://security.gd-linux.com/info/CVE-2024-1737");
  script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL bind packages. Note that updated packages may not be available yet. Please contact ZTE for
more information.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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-2023-0240");

  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:"2023/01/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:bind-export-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:bind-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:bind-libs-lite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:bind-license");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:bind-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:python3-bind");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:6");
  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) 2026 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\sMAIN\s6\.06")
  audit(AUDIT_OS_NOT, 'NewStart CGSL MAIN 6.06');

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 MAIN 6.06': [
    'bind-export-libs-9.11.36-11.0.1.zncgsl6_9.1.t2.0',
    'bind-libs-9.11.36-11.0.1.zncgsl6_9.1.t2.0',
    'bind-libs-lite-9.11.36-11.0.1.zncgsl6_9.1.t2.0',
    'bind-license-9.11.36-11.0.1.zncgsl6_9.1.t2.0',
    'bind-utils-9.11.36-11.0.1.zncgsl6_9.1.t2.0',
    'python3-bind-9.11.36-11.0.1.zncgsl6_9.1.t2.0'
  ]
};
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, 'bind');
}