openSUSE 16 Security Update : wget (openSUSE-SU-2026:21665-1)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# openSUSE Security Update openSUSE-SU-2026:21665-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(341540);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/29");

  script_cve_id(
    "CVE-2026-15146",
    "CVE-2026-58469",
    "CVE-2026-58470",
    "CVE-2026-58471",
    "CVE-2026-58472"
  );

  script_name(english:"openSUSE 16 Security Update : wget (openSUSE-SU-2026:21665-1)");

  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-2026:21665-1 advisory.

    Security issued fixed:

    - CVE-2026-15146: unvalidated IP address in an FTP PASV response can lead to server-side request forgery
    (bsc#1271320).
    - CVE-2026-58469: Metalink document containing a whitespace-only URL can cause a heap buffer underread
    (bsc#1271033).
    - CVE-2026-58470: server-controlled `Content-Range` header values can cause an integer overflow in
      `parse_content_range()` (bsc#1271034).
    - CVE-2026-58471: server-supplied filenames requiring character set conversion could lead to heap memory
    corruption
      (bsc#1271035).
    - CVE-2026-58472: crafted HTML attribute with a large number of characters requiring entity encoding can
    lead to a heap
      buffer overflow (bsc#1271036).

    Other updates and bugfixes:

    - Fix segmentation fault in metalink4 (bsc#1273449).
    - Fix metalink regression from CVE-2026-58469 fix (bsc#1272219).
      * See: commit 7b1cdecc49bc77bde220fc575c8a00386c3f3bcf from https://gitlab.com/gnuwget/wget.

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/1271033");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271034");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271035");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271036");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1271320");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1272219");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/1273449");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-15146");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58469");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58470");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58471");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2026-58472");
  script_set_attribute(attribute:"solution", value:
"Update the affected wget and / or wget-lang packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:C");
  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:L/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/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_supplemental", value:"CVSS:4.0/U:Amber");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-58472");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2026-58469");

  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:"2026/07/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/08/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:wget");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:wget-lang");
  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':'wget-1.25.0-160000.3.1', 'release':'SUSE16.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'wget-lang-1.25.0-160000.3.1', '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, 'wget / wget-lang');
}