F5 BIG-IP - TCP vulnerability CVE-2015-8099

# SPDX-FileCopyrightText: 2016 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:/h:f5:big-ip";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105716");
  script_cve_id("CVE-2015-8099");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_version("2026-04-24T06:23:04+0000");

  script_name("F5 BIG-IP - TCP vulnerability CVE-2015-8099");

  script_xref(name:"URL", value:"https://my.f5.com/manage/s/article/K35358312");

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

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_tag(name:"summary", value:"Under limited conditions, an invalid TCP segment can lead to a Denial of Service for the High-Speed Bridge (HSB)
on the following platforms: 3900, 6900, 8900, 8950, 11000, 11050, PB100 or PB200. This issue is only exposed on virtual servers while
Software SYN cookies are configured for use and currently engaged. The scope of the exposure is limited to the BIG-IP data plane. The
access vector is network based and authentication is not a requirement for attack. There is no control plane exposure to this issue.");

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

  script_tag(name:"last_modification", value:"2026-04-24 06:23:04 +0000 (Fri, 24 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-06-06 15:11:00 +0000 (Thu, 06 Jun 2019)");
  script_tag(name:"creation_date", value:"2016-05-17 10:59:01 +0200 (Tue, 17 May 2016)");
  script_category(ACT_GATHER_INFO);
  script_family("F5 Local Security Checks");
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_dependencies("gb_f5_big_ip_ssh_login_detect.nasl");
  script_mandatory_keys("f5/big_ip/version", "f5/big_ip/active_modules");
  exit(0);
}

include("f5.inc");
include("host_details.inc");
include("list_array_func.inc");
include("version_func.inc");

if (!version = get_app_version(cpe: CPE, service: "ssh-login"))
  exit(0);

check_f5["LTM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["AAM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.4.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;");

check_f5["AFM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;");

check_f5["AVR"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;");

check_f5["APM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["ASM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["GTM"] = make_array("affected",   "11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["LC"]  = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["PEM"] = make_array("affected",   "12.0.0;11.6.0;11.5.0-11.5.3;11.3.0-11.4.1;",
                             "unaffected", "12.1.0;12.0.0_HF1;11.6.1;11.5.4;11.4.1_HF10;");

check_f5["PSM"] = make_array("affected",   "11.3.0-11.4.1;",
                             "unaffected", "11.4.1_HF10;11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["WAM"] = make_array("affected",   "11.3.0;",
                             "unaffected", "11.0.0-11.2.1;10.1.0-10.2.4;");

check_f5["WOM"] = make_array("affected",   "11.3.0;",
                             "unaffected", "11.0.0-11.2.1;10.1.0-10.2.4;");

if (report = f5_is_vulnerable(ca: check_f5, version: version)) {
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);