RHEL 7 : libsoup (RHSA-2025:21657)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2025:21657. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(275607);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/23");

  script_cve_id(
    "CVE-2025-2784",
    "CVE-2025-4945",
    "CVE-2025-4948",
    "CVE-2025-11021",
    "CVE-2025-32049",
    "CVE-2025-32906",
    "CVE-2025-32911",
    "CVE-2025-32913",
    "CVE-2025-32914"
  );
  script_xref(name:"RHSA", value:"2025:21657");
  script_xref(name:"IAVA", value:"2026-A-0165");

  script_name(english:"RHEL 7 : libsoup (RHSA-2025:21657)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for libsoup.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2025:21657 advisory.

    The libsoup packages provide an HTTP client and server library for GNOME.

    Security Fix(es):

    * libsoup: Heap buffer over-read in `skip_insignificant_space` when sniffing content (CVE-2025-2784)

    * libsoup: Denial of Service attack to websocket server (CVE-2025-32049)

    * libsoup: Out of bounds reads in soup_headers_parse_request() (CVE-2025-32906)

    * libsoup: Double free on  soup_message_headers_get_content_disposition() through  soup-message-
    headers.c via params GHashTable value (CVE-2025-32911)

    * libsoup: NULL pointer dereference in  soup_message_headers_get_content_disposition when filename
    parameter  is present, but has no value in Content-Disposition header (CVE-2025-32913)

    * libsoup: OOB Read on libsoup through function  soup_multipart_new_from_message in soup-multipart.c
    leads to crash or  exit of process (CVE-2025-32914)

    * libsoup: Integer Overflow in Cookie Expiration Date Handling in libsoup (CVE-2025-4945)

    * libsoup: Integer Underflow in soup_multipart_new_from_message() Leading to Denial of Service in libsoup
    (CVE-2025-4948)

    * libsoup: Out-of-Bounds Read in Cookie Date Handling of libsoup HTTP Library (CVE-2025-11021)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
    other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2354669");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2357066");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2359341");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2359355");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2359357");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2359358");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2367175");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2367183");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2399627");
  # https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21657.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e7185e14");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2025:21657");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL libsoup package based on the guidance in RHSA-2025:21657.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
  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:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-2784");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(125, 190, 191, 476, 590, 770);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/04/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/11/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_els:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libsoup");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libsoup-devel");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm2.inc');
include('rhel.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) || 'Red Hat' >!< os_product) audit(AUDIT_OS_NOT, 'Red Hat');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
if (!rhel_check_release(operator: 'ge', os_version: os_version, rhel_version: '7')) audit(AUDIT_OS_NOT, 'Red Hat 7.x', 'Red Hat ' + os_version);

if (!get_kb_item('Host/RedHat/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 && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'release': '7',
    'repo_relative_urls': [
      'content/els/rhel/power-le/7/7Server/ppc64le/debug',
      'content/els/rhel/power-le/7/7Server/ppc64le/optional/debug',
      'content/els/rhel/power-le/7/7Server/ppc64le/optional/os',
      'content/els/rhel/power-le/7/7Server/ppc64le/optional/source/SRPMS',
      'content/els/rhel/power-le/7/7Server/ppc64le/os',
      'content/els/rhel/power-le/7/7Server/ppc64le/source/SRPMS',
      'content/els/rhel/power/7/7Server/ppc64/debug',
      'content/els/rhel/power/7/7Server/ppc64/optional/debug',
      'content/els/rhel/power/7/7Server/ppc64/optional/os',
      'content/els/rhel/power/7/7Server/ppc64/optional/source/SRPMS',
      'content/els/rhel/power/7/7Server/ppc64/os',
      'content/els/rhel/power/7/7Server/ppc64/source/SRPMS',
      'content/els/rhel/server/7/7Server/x86_64/debug',
      'content/els/rhel/server/7/7Server/x86_64/optional/debug',
      'content/els/rhel/server/7/7Server/x86_64/optional/os',
      'content/els/rhel/server/7/7Server/x86_64/optional/source/SRPMS',
      'content/els/rhel/server/7/7Server/x86_64/os',
      'content/els/rhel/server/7/7Server/x86_64/source/SRPMS',
      'content/els/rhel/system-z/7/7Server/s390x/debug',
      'content/els/rhel/system-z/7/7Server/s390x/optional/debug',
      'content/els/rhel/system-z/7/7Server/s390x/optional/os',
      'content/els/rhel/system-z/7/7Server/s390x/optional/source/SRPMS',
      'content/els/rhel/system-z/7/7Server/s390x/os',
      'content/els/rhel/system-z/7/7Server/s390x/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'ppc', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'ppc64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'ppc64le', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'s390', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'s390x', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-2.62.2-9.el7_9', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'ppc', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'ppc64', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'ppc64le', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'s390', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'s390x', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libsoup-devel-2.62.2-9.el7_9', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

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 repo_relative_urls;
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;
  }

  if (!empty_or_null(constraint['repo_relative_urls'])) repo_relative_urls = constraint['repo_relative_urls'];

  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 &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!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)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libsoup / libsoup-devel');
}