TencentOS Server 4: webkit2gtk4.0 (TSSA-2025:0671)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Tencent Linux Security Advisory TSSA-2025:0671.
##

include('compat.inc');

if (description)
{
  script_id(253495);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/12/17");

  script_cve_id(
    "CVE-2025-24189",
    "CVE-2025-31273",
    "CVE-2025-31278",
    "CVE-2025-43211",
    "CVE-2025-43212",
    "CVE-2025-43216",
    "CVE-2025-43227",
    "CVE-2025-43228",
    "CVE-2025-43240",
    "CVE-2025-43265",
    "CVE-2025-6558"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2025/08/12");

  script_name(english:"TencentOS Server 4: webkit2gtk4.0 (TSSA-2025:0671)");

  script_set_attribute(attribute:"synopsis", value:
"The remote TencentOS Server 4 host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is,
therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0671 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2025-6558:
    Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157
    allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium
    security severity: High)

    CVE-2025-43265:
    An out-of-bounds read was addressed with improved input validation. This issue is fixed in Safari 18.6,
    watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing
    maliciously crafted web content may disclose internal states of the app.

    CVE-2025-43240:
    A logic issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.6, Safari 18. 6.
    A download's origin may be incorrectly associated.

    CVE-2025-43228:
    The issue was addressed with improved UI. This issue is fixed in iOS 18.6 and iPadOS 18.6, Safari 18. 6.
    Visiting a malicious website may lead to address bar spoofing.

    CVE-2025-43227:
    This issue was addressed through improved state management. This issue is fixed in Safari 18.6, iOS 18.6
    and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted
    web content may disclose sensitive user information.

    CVE-2025-43216:
    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.6,
    watchOS 11.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6.
    Processing maliciously crafted web content may lead to an unexpected Safari crash.

    CVE-2025-43212:
    The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia
    15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web
    content may lead to an unexpected Safari crash.

    CVE-2025-43211:
    The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia
    15.6, iPadOS 17.7.9, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing web
    content may lead to a denial-of-service.

    CVE-2025-31278:
    The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iPadOS 17.7.9,
    watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing
    maliciously crafted web content may lead to memory corruption.

    CVE-2025-31273:
    The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia
    15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web
    content may lead to memory corruption.

    CVE-2025-24189:
    The issue was addressed with improved checks. This issue is fixed in Safari 18.3, visionOS 2.3, iOS 18.3
    and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, tvOS 18.3. Processing maliciously crafted web content
    may lead to memory corruption.

Tenable has extracted the preceding description block directly from the Tencent Linux 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://mirrors.tencent.com/tlinux/errata/tssa-20250671.xml");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-6558");

  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:"2025/08/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/08/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:tencent:tencentos_server:4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:tencent:tencentos_server:webkit2gtk4.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tencent Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/etc/os-release", "Host/TencentOS/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) || 'TencentOS' >!< os_product) audit(AUDIT_OS_NOT, 'TencentOS');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'TencentOS');
if (! preg(pattern:"^4([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'TencentOS 4.x', 'TencentOS ' + os_version);

if (!get_kb_item('Host/TencentOS/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, 'TencentOS', cpu);

var constraints = [
  {
    'release': '4',
    'pkgs': [
      {'reference':'javascriptcoregtk4.0-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-debuginfo-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-debuginfo-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-devel-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-devel-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-devel-debuginfo-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'javascriptcoregtk4.0-devel-debuginfo-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-debuginfo-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-debuginfo-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-debugsource-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-debugsource-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-devel-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-devel-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-devel-debuginfo-2.48.5-1.tl4', 'cpu':'aarch64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'webkit2gtk4.0-devel-debuginfo-2.48.5-1.tl4', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

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;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['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(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!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 (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, 'javascriptcoregtk4.0 / javascriptcoregtk4.0-debuginfo / javascriptcoregtk4.0-devel / etc');
}