Apache Traffic Server Synthetic Health Checks Remote DoS Vulnerability

# SPDX-FileCopyrightText: 2015 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:apache:traffic_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.805129");
  script_version("2026-02-24T05:57:09+0000");
  script_cve_id("CVE-2014-3525");
  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_tag(name:"last_modification", value:"2026-02-24 05:57:09 +0000 (Tue, 24 Feb 2026)");
  script_tag(name:"creation_date", value:"2015-01-21 12:21:54 +0530 (Wed, 21 Jan 2015)");
  script_name("Apache Traffic Server Synthetic Health Checks Remote DoS Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_family("Web Servers");
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_dependencies("gb_apache_traffic_server_http_detect.nasl");
  script_mandatory_keys("apache/ats/detected");

  script_xref(name:"URL", value:"http://secunia.com/advisories/60375");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/95495");
  script_xref(name:"URL", value:"http://mail-archives.apache.org/mod_mbox/trafficserver-users/201407.mbox/%[email protected]%3E");

  script_tag(name:"summary", value:"Apache Traffic Server is prone to a remote denial of service (DoS) vulnerability.");

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

  script_tag(name:"insight", value:"An unspecified flaw in traffic_cop that
  is triggered as the program fails to restrict access to synthetic health
  checks.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to crash the traffic_manager process.");

  script_tag(name:"affected", value:"Apache Traffic Server version 3.x through
  3.2.5, 4.x before 4.2.1.1, and 5.x before 5.0.1");

  script_tag(name:"solution", value:"Upgrade to version 4.2.1.1 or 5.0.1
  or later.");

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

  exit(0);
}

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

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

if(!vers = get_app_version(cpe:CPE, port:port))
  exit(0);

if(vers =~ "^[3-5]\."){
  if(version_in_range(version:vers, test_version:"3.0", test_version2:"3.2.5")||
     version_in_range(version:vers, test_version:"4.0", test_version2:"4.2.1")||
     version_is_equal(version:vers, test_version:"5.0.0")){
    if(vers =~ "^3\.") fixVer = "4.2.1.1 or 5.0.1";
    if(vers =~ "^4\.") fixVer = "4.2.1.1";
    if(vers =~ "^5\.") fixVer = "5.0.1";
    report = 'Installed version: ' + vers + '\n' + 'Fixed version: ' + fixVer + '\n';
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);