CUPS Multiple Vulnerabilities (Sep/Oct 2024)

# SPDX-FileCopyrightText: 2024 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:openprinting:cups";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.114789");
  script_version("2025-10-14T05:39:29+0000");
  script_tag(name:"last_modification", value:"2025-10-14 05:39:29 +0000 (Tue, 14 Oct 2025)");
  script_tag(name:"creation_date", value:"2024-09-27 11:38:09 +0000 (Fri, 27 Sep 2024)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-09-29 13:42:33 +0000 (Mon, 29 Sep 2025)");

  script_cve_id("CVE-2024-47076", "CVE-2024-47175", "CVE-2024-47176", "CVE-2024-47850");

  # For now we only know remotely that a system *might* use the affected components so a quite low
  # QoD was used here.
  script_tag(name:"qod_type", value:"general_note");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("CUPS Multiple Vulnerabilities (Sep/Oct 2024)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("General");
  script_dependencies("gb_cups_http_detect.nasl");
  script_mandatory_keys("cups/detected");

  script_tag(name:"summary", value:"Various components of CUPS are prone to multiple
  vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The following flaws exist:

  - CVE-2024-47076: cfGetPrinterAttributes5 does not validate IPP attributes returned from an IPP
  server (libcupsfilters)

  - CVE-2024-47175: ppdCreatePPDFromIPP2 does not sanitize IPP attributes when creating the PPD
  buffer (libppd)

  - CVE-2024-47176: Multiple bugs leading to info leak and remote code execution (cups-browsed)

  - CVE-2024-47850: Distributed denial-of-service (DDoS) attacks (cups-browsed)");

  script_tag(name:"impact", value:"Various flaws chained together could allow a remote code
  execution (RCE) on the affected host.");

  script_tag(name:"affected", value:"All CUPS systems which have the affected component(s)
  installed.");

  script_tag(name:"solution", value:"The vendor of cups-filters has provided fix commits:

  - libcupsfilters / CVE-2024-47076: Commit 95576ec

  - libppd / CVE-2024-47175: Commit d681747

  - cups-browsed /  CVE-2024-47176, CVE-2024-47850: Commit 1d1072a");

  script_xref(name:"URL", value:"https://openprinting.github.io/libcupsfilters,-libppd,-cups-filters-2.1.0-Releases-including-vulnerability-fix/");
  script_xref(name:"URL", value:"https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I/");
  script_xref(name:"URL", value:"https://openprinting.github.io/OpenPrinting-News-Flash-cups-browsed-Remote-Code-Execution-vulnerability/");
  script_xref(name:"URL", value:"https://isc.sans.edu/diary/Patch+for+Critical+CUPS+vulnerability+Dont+Panic/31302");
  script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2024/09/26/5");
  script_xref(name:"URL", value:"https://gist.github.com/stong/c8847ef27910ae344a7b5408d9840ee1");
  script_xref(name:"URL", value:"https://access.redhat.com/security/vulnerabilities/RHSB-2024-002");
  script_xref(name:"URL", value:"https://github.com/OpenPrinting/cups-browsed/security/advisories/GHSA-rj88-6mr5-rcw8");
  script_xref(name:"URL", value:"https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-w63j-6g73-wmg5");
  script_xref(name:"URL", value:"https://github.com/OpenPrinting/libppd/security/advisories/GHSA-7xfx-47qg-grp6");
  script_xref(name:"URL", value:"https://github.com/OpenPrinting/cups-filters/security/advisories/GHSA-p9rh-jxmq-gq47");
  script_xref(name:"URL", value:"https://github.com/RickdeJager/cupshax");
  script_xref(name:"URL", value:"https://www.akamai.com/blog/security-research/october-cups-ddos-threat");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!version = get_app_version(cpe: CPE, port: port))
  exit(0);

report = report_fixed_ver(installed_version: version, fixed_version: "None");
security_message(port: port, data: report);
exit(0);