5.3
MEDIUM
CVE-2019-6647
F5 BIG-IP Memory Exhaustion vulnerability
Description

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.

INFO

Published Date :

Sept. 4, 2019, 5:15 p.m.

Last Modified :

Aug. 24, 2020, 5:37 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-6647 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 F5 big-ip_access_policy_manager
2 F5 big-ip_advanced_firewall_manager
3 F5 big-ip_analytics
4 F5 big-ip_application_acceleration_manager
5 F5 big-ip_application_security_manager
6 F5 big-ip_domain_name_system
7 F5 big-ip_fraud_protection_service
8 F5 big-ip_global_traffic_manager
9 F5 big-ip_link_controller
10 F5 big-ip_local_traffic_manager
11 F5 big-ip_policy_enforcement_manager
12 F5 big-ip_edge_gateway
13 F5 big-ip_webaccelerator
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-6647.

URL Resource
https://support.f5.com/csp/article/K87920510 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-6647 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6647 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-401
  • Initial Analysis by [email protected]

    Sep. 09, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://support.f5.com/csp/article/K87920510 No Types Assigned https://support.f5.com/csp/article/K87920510 Vendor Advisory
    Added CWE CWE-400
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_local_traffic_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_analytics:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_access_policy_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_application_security_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_edge_gateway:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_edge_gateway:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_fraud_protection_service:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_fraud_protection_service:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_global_traffic_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_global_traffic_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_link_controller:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_link_controller:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_webaccelerator:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_webaccelerator:14.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 11.5.1 up to (including) 11.6.4 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (including) 12.1.4 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.1.1 *cpe:2.3:a:f5:big-ip_domain_name_system:14.0.0:*:*:*:*:*:*:* *cpe:2.3:a:f5:big-ip_domain_name_system:14.1.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-6647 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-6647 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.00%

score

0.37794

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability