openSUSE 16 Security Update : trivy (openSUSE-SU-2026:21801-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# openSUSE Security Update openSUSE-SU-2026:21801-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(344683);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/11");

  script_cve_id(
    "CVE-2026-24122",
    "CVE-2026-37236",
    "CVE-2026-41178",
    "CVE-2026-50163",
    "CVE-2026-56854",
    "CVE-2026-56855",
    "CVE-2026-78662",
    "CVE-2026-84303",
    "CVE-2026-84304",
    "CVE-2026-84445"
  );

  script_name(english:"openSUSE 16 Security Update : trivy (openSUSE-SU-2026:21801-1)");

  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 a package installed that is affected by multiple vulnerabilities as referenced in the
openSUSE-SU-2026:21801-1 advisory.

    - CVE-2026-24122: github.com/sigstore/cosign/v2/pkg/cosign: improper validation of certificates that
    outlive expired CA
      certificates (bsc#1258543).
    - 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#1278002).
    - CVE-2026-41178: go.opentelemetry.io/otel/baggage, go.opentelemetry.io/otel/propagation: no rejection of
    raw-length
      headers in baggage parsing allows for DoS via oversized inputs (bsc#1276745).
    - CVE-2026-50163: oras-go: Information disclosure and arbitrary file access via crafted tarball hardlinks
    (bsc#1278702).
    - CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh: authentication bypass and
    deadlocks in the
      crypto/ssh library (bsc#1278624).
    - 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#1279390).
    - CVE-2026-84304: github.com/grpc/grpc-go: heap memory exhaustion via HTTP/2 DATA frame fragmentation
    (bsc#1279395).
    - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing `:authority` and `Host` headers in
    gRPC-Go xDS
      servers (bsc#1279392).

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/1258543");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1276745");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278002");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278624");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1278702");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1279390");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1279392");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1279395");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-24122");
  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-2026-50163");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-56854");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-56855");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-78662");
  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 trivy package.");
  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:"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-2026-37236");
  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:"2026/02/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/07");
  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:trivy");
  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':'trivy-0.74.0-160000.2.1', '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, 'trivy');
}