openSUSE 16: helm / helm-bash-completion / helm-fish-completion / etc (openSUSE-SU-2026:21809-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# openSUSE Security Update openSUSE-SU-2026:21809-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(344664);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/11");

  script_cve_id(
    "CVE-2026-37236",
    "CVE-2026-41178",
    "CVE-2026-48978",
    "CVE-2026-50151",
    "CVE-2026-63308",
    "CVE-2026-84303",
    "CVE-2026-84304",
    "CVE-2026-84445"
  );

  script_name(english:"openSUSE 16: helm / helm-bash-completion / helm-fish-completion / etc (openSUSE-SU-2026:21809-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the
openSUSE-SU-2026:21809-1 advisory.

    Update to version 3.21.1:

    - CVE-2026-37236: github.com/grpc-ecosystem/grpc-gateway/v2/runtime: client can override the HTTP method
    of a POST
      request through the X-HTTP-Method-Override header and bypass established access control (bsc#1277949).
    - CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing
    allows for DoS
      via oversized inputs (bsc#1276644).
    - CVE-2026-48978: oras.land/oras-go/v2/registry/remote/auth: Malicious registry can hijack Bearer token
    realm to
      exfiltrate credentials and refresh tokens (bsc#1270127).
    - CVE-2026-50151: oras-go: Credential forwarding via unvalidated Location header during blob upload
    (bsc#1271660).
    - CVE-2026-63308: processing zero-length byte slices in template chart files can trigger an index out-of-
    range panic
      (bsc#1272402).
    - CVE-2026-84303: github.com/grpc/grpc-go: xDS RBAC HTTP filter implementation issue allows for bypass of
    authorization
      policies via mixed-case or canonical-case header matches (bsc#1278270).
    - CVE-2026-84304: github.com/grpc/grpc-go: heap memory exhaustion via HTTP/2 DATA frame fragmentation
    (bsc#1278273).
    - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing `:authority` and `Host` headers in
    gRPC-Go xDS
      servers (bsc#1278688).
    - gRPC-Go: several issues affecting the xDS RBAC authorization engine and the HTTP/2 transport server
    implementation
      (bsc#1276514).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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/1270127");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271660");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1272402");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1276514");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1276644");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1277949");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278270");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278273");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278688");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-37236");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-41178");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-48978");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-50151");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-63308");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-84303");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-84304");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-84445");
  script_set_attribute(attribute:"solution", value:
"Update the affected helm, helm-bash-completion, helm-fish-completion and / or helm-zsh-completion packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:R/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-63308");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2026-84304");

  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:"2026/05/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:helm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:helm-bash-completion");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:helm-fish-completion");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:helm-zsh-completion");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:16.0");
  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) 2026 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, 'openSUSE');
var _os_ver = pregmatch(pattern: "^SUSE([\d.]+)", string:os_release);
if (isnull(_os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'openSUSE');
_os_ver = _os_ver[1];
if (os_release !~ "^(SUSE16\.0)$") audit(AUDIT_OS_RELEASE_NOT, 'openSUSE', '16.0', os_release);
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, 'openSUSE ' + _os_ver, cpu);

var pkgs = [
    {'reference':'helm-3.21.3-160000.2.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'helm-bash-completion-3.21.3-160000.2.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'helm-fish-completion-3.21.3-160000.2.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'helm-zsh-completion-3.21.3-160000.2.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var _cpu = 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['cpu'])) cpu = package_array['cpu'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (rpm_check(release:_release, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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, 'helm / helm-bash-completion / helm-fish-completion / etc');
}