Blender .blend File Command Execution Vulnerability

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.900252");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2009-11-20 06:52:52 +0100 (Fri, 20 Nov 2009)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_cve_id("CVE-2009-3850");
  script_name("Blender .blend File Command Execution Vulnerability");
  script_xref(name:"URL", value:"http://www.coresecurity.com/content/blender-scripting-injection");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36838");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("General");
  script_dependencies("secpod_blender_detect_lin.nasl");
  script_mandatory_keys("Blender/Lin/Ver");
  script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute arbitrary
commands by sending a specially crafted .blend file that contains Python
statements in the onLoad action of a ScriptLink SDNA.");
  script_tag(name:"affected", value:"Blender 2.49b, 2.40, 2.35a, 2.34 and prior.");
  script_tag(name:"insight", value:"This flaw is generated because Blender allows .blend project
files to be modified to execute arbitrary commands without user intervention
by design.");
  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");
  script_tag(name:"summary", value:"blender is prone to a remote command execution (RCE) vulnerability.");
  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"executable_version");
  exit(0);
}

include("version_func.inc");

blendVer = get_kb_item("Blender/Lin/Ver");
if(!blendVer){
  exit(0);
}

if(version_is_equal(version:blendVer, test_version:"2.49.2")||
   version_is_equal(version:blendVer, test_version:"2.40")  ||
   version_is_equal(version:blendVer, test_version:"2.35.1")||
   version_is_less_equal(version:blendVer, test_version:"2.34")){
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}