Redis LUA Multiple Vulnerabilities (Sep 2018) - Linux

# SPDX-FileCopyrightText: 2018 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:redis:redis";

if( description )
{
  script_oid("1.3.6.1.4.1.25623.1.0.814022");
  script_version("2025-10-10T05:39:02+0000");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"last_modification", value:"2025-10-10 05:39:02 +0000 (Fri, 10 Oct 2025)");
  script_tag(name:"creation_date", value:"2018-09-19 12:54:11 +0530 (Wed, 19 Sep 2018)");
  script_name("Redis LUA Multiple Vulnerabilities (Sep 2018) - Linux");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

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

  script_tag(name:"summary", value:"Redis is 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:"Multiple flaws exist due to Lua related
  issues in cmsgpack and other code paths when untrusted input is feed via
  the Lua API.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to corrupt the memory, violate the Redis process, and potentially
  taking total control of the Redis process.");

  script_tag(name:"affected", value:"Redis server versions before 3.2.12,
  4.0.x before 4.0.10 and 5.0 before 5.0rc2.");

  script_tag(name:"solution", value:"Upgrade Redis to version 3.2.12 or 4.0.10
  or 5.0rc2 or later. Please see the references for more information.");

  script_xref(name:"URL", value:"http://antirez.com/news/119");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Databases");
  script_dependencies("gb_redis_tcp_detect.nasl");
  script_mandatory_keys("redis/detected");

  exit(0);
}

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

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

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

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

if(version_is_less(version:version, test_version:"3.2.12")) {
  fix = "3.2.12";
}

else if(version_in_range(version:version, test_version:"4.0", test_version2:"4.0.9")) {
  fix = "4.0.10";
}

else if(version == "5.0rc1") {
  fix = "5.0rc2";
}

if(fix) {
  report = report_fixed_ver(installed_version:version, fixed_version:fix, install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);