Vulnerabilities > CVE-2019-6634 - Unspecified vulnerability in F5 products

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
f5
nessus
NVD
Published: 2019-07-03
Updated: 2024-11-21

Summary

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, a high volume of malformed analytics report requests leads to instability in restjavad process. This causes issues with both iControl REST and some portions of TMUI. The attack requires an authenticated user with any role.

Vulnerable Configurations

Part Description Count
Application
F5
726

Nessus

NASL familyF5 Networks Local Security Checks
NASL idF5_BIGIP_SOL64855220.NASL
descriptionHigh volume of malformed analytics report requests leads to instability in restjavad process. This causes issues with both iControl REST and some portions of TMUI. The attack requires an authenticated user with any role.(CVE-2019-6634) Note: The No Access user role istechnicallya role, but a user with this access role cannot log in and cannot carry out the attack. Impact This vulnerability allows an authenticated user to cause a disruption of service.
last seen2020-03-17
modified2019-07-02
plugin id126405
published2019-07-02
reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/126405
titleF5 Networks BIG-IP : F5 TMUI and iControl Rest vulnerability (K64855220)
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K64855220.
#
# The text description of this plugin is (C) F5 Networks.
#

include("compat.inc");

if (description)
{
  script_id(126405);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/09");

  script_cve_id("CVE-2019-6634");

  script_name(english:"F5 Networks BIG-IP : F5 TMUI and iControl Rest vulnerability (K64855220)");
  script_summary(english:"Checks the BIG-IP version.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote device is missing a vendor-supplied security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"High volume of malformed analytics report requests leads to
instability in restjavad process. This causes issues with both
iControl REST and some portions of TMUI. The attack requires an
authenticated user with any role.(CVE-2019-6634)

Note: The No Access user role istechnicallya role, but a user with
this access role cannot log in and cannot carry out the attack.

Impact

This vulnerability allows an authenticated user to cause a disruption
of service."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://support.f5.com/csp/article/K64855220"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade to one of the non-vulnerable versions listed in the F5
Solution K64855220."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_access_policy_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_advanced_firewall_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_acceleration_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_security_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_visibility_and_reporting");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_global_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_link_controller");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_local_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_policy_enforcement_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_webaccelerator");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/02");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"F5 Networks Local Security Checks");

  script_dependencies("f5_bigip_detect.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/BIG-IP/hotfix", "Host/BIG-IP/modules", "Host/BIG-IP/version");

  exit(0);
}


include("f5_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
version = get_kb_item("Host/BIG-IP/version");
if ( ! version ) audit(AUDIT_OS_NOT, "F5 Networks BIG-IP");
if ( isnull(get_kb_item("Host/BIG-IP/hotfix")) ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/hotfix");
if ( ! get_kb_item("Host/BIG-IP/modules") ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/modules");

sol = "K64855220";
vmatrix = make_array();

# AFM
vmatrix["AFM"] = make_array();
vmatrix["AFM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["AFM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# AM
vmatrix["AM"] = make_array();
vmatrix["AM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["AM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# APM
vmatrix["APM"] = make_array();
vmatrix["APM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["APM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# ASM
vmatrix["ASM"] = make_array();
vmatrix["ASM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["ASM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# AVR
vmatrix["AVR"] = make_array();
vmatrix["AVR"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["AVR"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# GTM
vmatrix["GTM"] = make_array();
vmatrix["GTM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["GTM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# LC
vmatrix["LC"] = make_array();
vmatrix["LC"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["LC"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# LTM
vmatrix["LTM"] = make_array();
vmatrix["LTM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["LTM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# PEM
vmatrix["PEM"] = make_array();
vmatrix["PEM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["PEM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");

# WAM
vmatrix["WAM"] = make_array();
vmatrix["WAM"]["affected"  ] = make_list("14.0.0-14.1.0","13.0.0-13.1.1","12.1.0-12.1.4");
vmatrix["WAM"]["unaffected"] = make_list("14.1.0.6","14.0.0.5","13.1.1.5","12.1.4.1");


if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  if (report_verbosity > 0) security_warning(port:0, extra:bigip_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = bigip_get_tested_modules();
  audit_extra = "For BIG-IP module(s) " + tested + ",";
  if (tested) audit(AUDIT_INST_VER_NOT_VULN, audit_extra, version);
  else audit(AUDIT_HOST_NOT, "running any of the affected modules");
}

References