Debian dla-4344 : gdk-pixbuf-tests - security update

#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-4344. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(271218);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/10/23");

  script_cve_id("CVE-2025-7345");

  script_name(english:"Debian dla-4344 : gdk-pixbuf-tests - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4344
advisory.

    -------------------------------------------------------------------------
    Debian LTS Advisory DLA-4344-1                [email protected]
    https://www.debian.org/lts/security/          Carlos Henrique Lima Melara
    October 22, 2025                              https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : gdk-pixbuf
    Version        : 2.42.2+dfsg-1+deb11u4
    CVE ID         : CVE-2025-7345
    Debian Bug     : 1109262

    A vulnerability was found in gdk-pixbuf, a library used by many GTK
    applications to load graphical assets. When processing maliciously
    crafted JPEG images, a heap buffer overflow can occur during Base64
    encoding.

    For Debian 11 bullseye, this problem has been fixed in version
    2.42.2+dfsg-1+deb11u4.

    We recommend that you upgrade your gdk-pixbuf packages.

    For the detailed security status of gdk-pixbuf please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/gdk-pixbuf

    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    Attachment:
    signature.asc
    Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/gdk-pixbuf");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-7345");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/gdk-pixbuf");
  script_set_attribute(attribute:"solution", value:
"Upgrade the gdk-pixbuf-tests packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/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:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-7345");

  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:"2025/07/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/10/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/10/23");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gdk-pixbuf-tests");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-gdkpixbuf-2.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf-2.0-0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf-2.0-0-udeb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf-2.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf2.0-0-udeb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf2.0-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf2.0-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libgdk-pixbuf2.0-doc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Debian 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_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(11)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);

var pkgs = [
    {'release': '11.0', 'prefix': 'gdk-pixbuf-tests', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'gir1.2-gdkpixbuf-2.0', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf-2.0-0', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf-2.0-0-udeb', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf-2.0-dev', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf2.0-0-udeb', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf2.0-bin', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf2.0-common', 'reference': '2.42.2+dfsg-1+deb11u4'},
    {'release': '11.0', 'prefix': 'libgdk-pixbuf2.0-doc', 'reference': '2.42.2+dfsg-1+deb11u4'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var _release = NULL;
  var prefix = NULL;
  var reference = NULL;
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (_release && prefix && reference) {
    if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : deb_report_get()
  );
  exit(0);
}
else
{
  var tested = deb_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gdk-pixbuf-tests / gir1.2-gdkpixbuf-2.0 / libgdk-pixbuf-2.0-0 / etc');
}