VLC Media Player 'avcodec picture copy' Heap Buffer Overflow Vulnerability - Mac OS X

# SPDX-FileCopyrightText: 2019 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:videolan:vlc_media_player";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.815430");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2019-13962");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  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:"2022-04-18 17:00:00 +0000 (Mon, 18 Apr 2022)");
  script_tag(name:"creation_date", value:"2019-07-24 17:42:18 +0530 (Wed, 24 Jul 2019)");

  script_name("VLC Media Player 'avcodec picture copy' Heap Buffer Overflow Vulnerability - Mac OS X");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("General");
  script_dependencies("gb_vlc_media_player_detect_macosx.nasl");
  script_mandatory_keys("VLC/Media/Player/MacOSX/Version");

  script_xref(name:"URL", value:"https://www.videolan.org/security/sb-vlc308.html");
  script_xref(name:"URL", value:"https://trac.videolan.org/vlc/ticket/22240");

  script_tag(name:"summary", value:"VLC media player is prone to a heap-based buffer over-read vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to a heap-based buffer
  over-read error in lavc_CopyPicture in modules/codec/avcodec/video.c due to
  insufficient validation of width and height.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to
  cause a denial-of-service condition, denying service to legitimate users and
  may also be able to execute arbitrary code.");

  script_tag(name:"affected", value:"VideoLAN VLC media player version through 3.0.7 on Mac OS X.");

  script_tag(name:"solution", value:"Update to version 3.0.8 or later.");

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

  exit(0);
}

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

if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE))
  exit(0);

ver = infos["version"];
path = infos["location"];

if(version_is_less(version:ver, test_version:"3.0.8")) {
  report = report_fixed_ver(installed_version:ver, fixed_version:"3.0.8", install_path: path);
  security_message(data:report);
  exit(0);
}

exit(99);