FFmpeg Multiple Vulnerabilities - Linux

# SPDX-FileCopyrightText: 2010 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800468");
  script_version("2024-02-08T14:36:53+0000");
  script_tag(name:"last_modification", value:"2024-02-08 14:36:53 +0000 (Thu, 08 Feb 2024)");
  script_tag(name:"creation_date", value:"2010-02-17 08:26:50 +0100 (Wed, 17 Feb 2010)");
  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_cve_id("CVE-2009-4631", "CVE-2009-4632", "CVE-2009-4633", "CVE-2009-4634",
                "CVE-2009-4635", "CVE-2009-4636", "CVE-2009-4637", "CVE-2009-4638",
                "CVE-2009-4639", "CVE-2009-4640");
  script_name("FFmpeg Multiple Vulnerabilities - Linux");

  script_xref(name:"URL", value:"https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240");
  script_xref(name:"URL", value:"http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("General");
  script_dependencies("gb_ffmpeg_detect_lin.nasl");
  script_mandatory_keys("FFmpeg/Linux/Ver");

  script_tag(name:"impact", value:"Successful exploitation could result in Denial of service condition(application
  crash or infinite loop) or possibly allow execution of arbitrary code.");

  script_tag(name:"affected", value:"FFmpeg version 0.5 on Linux.");

  script_tag(name:"insight", value:"Multiple flaws exist due to:

  - An out-of-bounds array index error in 'vorbis_dec.c'

  - An off-by-one indexing error in 'vp3.c'

  - Pointer arithmetic error in 'oggparsevorbis.c'

  - Assignment vs comparison operator mix-up error in 'vorbis_dec.c'

  - Integer underflow error leading to stack pointer wrap-around in 'vorbis_dec.c'

  - Integer underflow error in 'mov.c'

  - Type confusion error in 'mov.c'/'utils.c'");

  script_tag(name:"summary", value:"FFmpeg is prone to multiple vulnerabilities");

  script_tag(name:"solution", value:"Upgrad to FFmpeg version 0.5.2 or later.");

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

  exit(0);
}

include("version_func.inc");

ffmpegVer = get_kb_item("FFmpeg/Linux/Ver");
if(!ffmpegVer){
  exit(0);
}

if(version_is_less_equal(version:ffmpegVer, test_version:"0.5")){
  report = report_fixed_ver(installed_version:ffmpegVer, vulnerable_range:"Less or equal to 0.5");
  security_message(port: 0, data: report);
}