Vulnerability Name:

CVE-2019-6647 (CCN-166517)

Assigned:2019-08-09
Published:2019-08-09
Updated:2020-08-24
Summary:On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, 11.5.2-11.6.4, when processing authentication attempts for control-plane users MCPD leaks a small amount of memory. Under rare conditions attackers with access to the management interface could eventually deplete memory on the system.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-401
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-6647

Source: XF
Type: UNKNOWN
f5-cve20196647-dos(166517)

Source: CCN
Type: F5 Security Advisory K87920510
BIG-IP mcpd vulnerability CVE-2019-6647

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K87920510

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_local_traffic_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_analytics:14.1.0:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_application_security_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_edge_gateway:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_edge_gateway:14.1.0:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_fraud_protection_service:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_fraud_protection_service:14.1.0:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_global_traffic_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_link_controller:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_link_controller:14.1.0:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:14.1.0:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_webaccelerator:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_webaccelerator:14.1.0:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 11.5.1 and <= 11.6.4)
  • OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 12.1.0 and <= 12.1.4)
  • OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 13.0.0 and <= 13.1.1)
  • OR cpe:/a:f5:big-ip_domain_name_system:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_domain_name_system:14.1.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:13.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:12.1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager 14.0.0
    f5 big-ip local traffic manager 14.1.0
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager 14.0.0
    f5 big-ip advanced firewall manager 14.1.0
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager 14.0.0
    f5 big-ip application acceleration manager 14.1.0
    f5 big-ip analytics *
    f5 big-ip analytics *
    f5 big-ip analytics *
    f5 big-ip analytics 14.0.0
    f5 big-ip analytics 14.1.0
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager 14.0.0
    f5 big-ip access policy manager 14.1.0
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager 14.0.0
    f5 big-ip application security manager 14.1.0
    f5 big-ip edge gateway *
    f5 big-ip edge gateway *
    f5 big-ip edge gateway *
    f5 big-ip edge gateway 14.0.0
    f5 big-ip edge gateway 14.1.0
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service 14.0.0
    f5 big-ip fraud protection service 14.1.0
    f5 big-ip global traffic manager *
    f5 big-ip global traffic manager *
    f5 big-ip global traffic manager *
    f5 big-ip global traffic manager 14.0.0
    f5 big-ip global traffic manager 14.1.0
    f5 big-ip link controller *
    f5 big-ip link controller *
    f5 big-ip link controller *
    f5 big-ip link controller 14.0.0
    f5 big-ip link controller 14.1.0
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager 14.0.0
    f5 big-ip policy enforcement manager 14.1.0
    f5 big-ip webaccelerator *
    f5 big-ip webaccelerator *
    f5 big-ip webaccelerator *
    f5 big-ip webaccelerator 14.0.0
    f5 big-ip webaccelerator 14.1.0
    f5 big-ip domain name system *
    f5 big-ip domain name system *
    f5 big-ip domain name system *
    f5 big-ip domain name system 14.0.0
    f5 big-ip domain name system 14.1.0
    f5 big-ip 12.1.0
    f5 big-ip 13.0.0
    f5 big-ip 13.1.1
    f5 big-ip 14.1.0
    f5 big-ip 11.5.1
    f5 big-ip 11.5.4
    f5 big-ip 14.0.0
    f5 big-ip 12.1.4