AlmaLinux 8 : pki-deps:10.6 (ALSA-2026:90909)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2026:90909.
##

include('compat.inc');

if (description)
{
  script_id(373638);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/29");

  script_cve_id("CVE-2026-68498", "CVE-2026-89425", "CVE-2026-91777");
  script_xref(name:"ALSA", value:"2026:90909");
  script_xref(name:"RHSA", value:"2026:90909");

  script_name(english:"AlmaLinux 8 : pki-deps:10.6 (ALSA-2026:90909)");

  script_set_attribute(attribute:"synopsis", value:
"The remote AlmaLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ALSA-2026:90909 advisory.

    * com.fasterxml.jackson.core/jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder
    growth during malformed token processing (CVE-2026-89425)
      * com.fasterxml.jackson.core/jackson-databind: tools.jackson.core:jackson-databind: Jackson-databind:
    Denial of Service via quadratic forward-reference completion (CVE-2026-91777)
      * com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of
    Service via excessively long JSON property names (CVE-2026-68498)

Tenable has extracted the preceding description block directly from the AlmaLinux 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://errata.almalinux.org/8/ALSA-2026-90909.html");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2026:90909");
  script_set_attribute(attribute:"solution", value:
"Update the affected 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:N/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:"cvss_score_source", value:"CVE-2026-91777");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(1050, 606, 770);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/08/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:apache-commons-collections");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:apache-commons-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:apache-commons-net");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:bea-stax-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:glassfish-fastinfoset");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:glassfish-jaxb-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:glassfish-jaxb-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:glassfish-jaxb-runtime");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:glassfish-jaxb-txw2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-annotations");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-databind");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-jaxrs-json-provider");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-jaxrs-providers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jackson-module-jaxb-annotations");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:jakarta-commons-httpclient");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:javassist");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:javassist-javadoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:pki-servlet-engine");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:relaxngDatatype");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:slf4j");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:slf4j-jdk14");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:stax-ex");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:velocity");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xalan-j2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xerces-j2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xml-commons-apis");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xml-commons-resolver");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xmlstreambuffer");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:xsom");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::appstream");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::baseos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::highavailability");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::nfv");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::powertools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::realtime");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::resilientstorage");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap_hana");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::supplementary");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Alma Linux 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/AlmaLinux/release", "Host/AlmaLinux/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_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'AlmaLinux' >!< os_product) audit(AUDIT_OS_NOT, 'AlmaLinux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'AlmaLinux');
if (! preg(pattern:"^8([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'AlmaLinux 8.x', 'AlmaLinux ' + os_version);

if (!get_kb_item('Host/AlmaLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'AlmaLinux', cpu);

var module_ver = get_kb_item('Host/AlmaLinux/appstream/pki-deps');
if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module pki-deps:10.6');
if ('10.6' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module pki-deps:' + module_ver);

var constraints = {
  'pki-deps:10.6': [
    {
      'release': '8',
      'pkgs': [
        {'reference':'apache-commons-collections-3.2.2-10.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'apache-commons-lang-2.6-21.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'apache-commons-net-3.6-3.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'bea-stax-api-1.2.0-16.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'glassfish-fastinfoset-1.2.13-9.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'glassfish-jaxb-api-2.2.12-8.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'glassfish-jaxb-core-2.2.11-12.module_el8.10.0+3791+e0637953', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'glassfish-jaxb-runtime-2.2.11-12.module_el8.10.0+3791+e0637953', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'glassfish-jaxb-txw2-2.2.11-12.module_el8.10.0+3791+e0637953', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-annotations-2.21-1.module_el8.10.0+4235+0924958e', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-core-2.21.4-1.module_el8.10.0+4329+908ad137.3', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-databind-2.21.4-1.module_el8.10.0+4329+908ad137.1', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-jaxrs-json-provider-2.21.4-1.module_el8.10.0+4235+0924958e', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-jaxrs-providers-2.21.4-1.module_el8.10.0+4235+0924958e', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jackson-module-jaxb-annotations-2.21.4-2.module_el8.10.0+4235+0924958e', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'jakarta-commons-httpclient-3.1-28.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
        {'reference':'javassist-3.18.1-8.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'javassist-javadoc-3.18.1-8.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'pki-servlet-engine-9.0.62-1.module_el8.10.0+3791+e0637953', 'el_string':'el8.10.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
        {'reference':'relaxngDatatype-2011.1-7.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'slf4j-1.7.25-4.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'slf4j-jdk14-1.7.25-4.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'stax-ex-1.7.7-8.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'velocity-1.7-24.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xalan-j2-2.7.1-38.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xerces-j2-2.11.0-34.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xml-commons-apis-1.4.01-25.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xml-commons-resolver-1.2-26.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xmlstreambuffer-1.5.4-8.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
        {'reference':'xsom-0-19.20110809svn.module_el8.5.0+2577+9e95fe00', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'}
      ]
    }
  ]
};

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
var appstreams_found = 0;
var appstream;
var appstream_name;
var appstream_version;
foreach var module (keys(constraints)) {
  appstream = NULL;
  appstream_name = NULL;
  appstream_version = NULL;
  appstream_split = split(module, sep:':', keep:FALSE);
  if (!empty_or_null(appstream_split)) {
    appstream_name = appstream_split[0];
    appstream_version = appstream_split[1];
    if (!empty_or_null(appstream_name)) appstream = get_one_kb_item('Host/AlmaLinux/appstream/' + appstream_name);
  }
  if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {
    appstreams_found++;
    foreach var module_array ( constraints[module] ) {
      # Check that the target release is equal to the affected release
      if (!empty_or_null(module_array['release'])){
        if (module_array['release'] != os_release) continue;
      }
      if (!empty_or_null(module_array['sp'])){
        if (module_array['sp'] != os_sp) continue;
      }
      foreach var package_array ( module_array['pkgs'] ) {
        reference = NULL;
        sp = NULL;
        _cpu = NULL;
        el_string = NULL;
        rpm_spec_vers_cmp = NULL;
        epoch = NULL;
        allowmaj = NULL;
        exists_check = NULL;
        cves = NULL;
        if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
        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['el_string'])) el_string = package_array['el_string'];
        if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
        if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
        if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
        if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
        if (!empty_or_null(package_array['cves'])) cves = package_array['cves'];
        if (reference &&
            (!exists_check || rpm_exists(rpm:exists_check)) &&
            rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
      }
    }
  }
}

if (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module pki-deps:10.6');

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, 'apache-commons-collections / apache-commons-lang / etc');
}