Redis Cross Protocol Scripting Vulnerability

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.140459");
  script_version("2025-10-10T05:39:02+0000");
  script_tag(name:"last_modification", value:"2025-10-10 05:39:02 +0000 (Fri, 10 Oct 2025)");
  script_tag(name:"creation_date", value:"2017-10-30 16:16:15 +0700 (Mon, 30 Oct 2017)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-08-08 14:22:00 +0000 (Wed, 08 Aug 2018)");

  script_cve_id("CVE-2016-10517");

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

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

  script_name("Redis Cross Protocol Scripting Vulnerability");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Databases");
  script_dependencies("gb_redis_tcp_detect.nasl");
  script_mandatory_keys("redis/detected");

  script_tag(name:"summary", value:"networking.c in Redis allows 'Cross Protocol Scripting' because it lacks a
check for POST and Host: strings, which are not valid in the Redis protocol (but commonly occur when an attack
triggers an HTTP request to the Redis TCP port).");

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

  script_tag(name:"affected", value:"Redis 3.2.6 and prior.");

  script_tag(name:"solution", value:"Update to version 3.2.7 or later.");

  script_xref(name:"URL", value:"https://github.com/antirez/redis/commit/874804da0c014a7d704b3d285aa500098a931f50");

  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);

if (version_is_less(version: version, test_version: "3.2.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.2.7");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);