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[email protected]CVE-2019-6647

HistorySep 04, 2019 - 5:15 p.m.

CVE-2019-6647

2019-09-0417:15:11

CWE-401

[email protected]

web.nvd.nist.gov

big-ip

memory leak

mcpd

control-plane

authentication

cve-2019-6647

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.7%

JSON

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.

Affected configurations

NVD

Node

f5big-ip_local_traffic_managerRange11.5.1–11.6.4

f5big-ip_local_traffic_managerRange12.1.0–12.1.4

f5big-ip_local_traffic_managerRange13.0.0–13.1.1

f5big-ip_local_traffic_managerMatch14.0.0

f5big-ip_local_traffic_managerMatch14.1.0

Node

f5big-ip_advanced_firewall_managerRange11.5.1–11.6.4

f5big-ip_advanced_firewall_managerRange12.1.0–12.1.4

f5big-ip_advanced_firewall_managerRange13.0.0–13.1.1

f5big-ip_advanced_firewall_managerMatch14.0.0

f5big-ip_advanced_firewall_managerMatch14.1.0

Node

f5big-ip_application_acceleration_managerRange11.5.1–11.6.4

f5big-ip_application_acceleration_managerRange12.1.0–12.1.4

f5big-ip_application_acceleration_managerRange13.0.0–13.1.1

f5big-ip_application_acceleration_managerMatch14.0.0

f5big-ip_application_acceleration_managerMatch14.1.0

Node

f5big-ip_analyticsRange11.5.1–11.6.4

f5big-ip_analyticsRange12.1.0–12.1.4

f5big-ip_analyticsRange13.0.0–13.1.1

f5big-ip_analyticsMatch14.0.0

f5big-ip_analyticsMatch14.1.0

Node

f5big-ip_access_policy_managerRange11.5.1–11.6.4

f5big-ip_access_policy_managerRange12.1.0–12.1.4

f5big-ip_access_policy_managerRange13.0.0–13.1.1

f5big-ip_access_policy_managerMatch14.0.0

f5big-ip_access_policy_managerMatch14.1.0

Node

f5big-ip_application_security_managerRange11.5.1–11.6.4

f5big-ip_application_security_managerRange12.1.0–12.1.4

f5big-ip_application_security_managerRange13.0.0–13.1.1

f5big-ip_application_security_managerMatch14.0.0

f5big-ip_application_security_managerMatch14.1.0

Node

f5big-ip_edge_gatewayRange11.5.1–11.6.4

f5big-ip_edge_gatewayRange12.1.0–12.1.4

f5big-ip_edge_gatewayRange13.0.0–13.1.1

f5big-ip_edge_gatewayMatch14.0.0

f5big-ip_edge_gatewayMatch14.1.0

Node

f5big-ip_fraud_protection_serviceRange11.5.1–11.6.4

f5big-ip_fraud_protection_serviceRange12.1.0–12.1.4

f5big-ip_fraud_protection_serviceRange13.0.0–13.1.1

f5big-ip_fraud_protection_serviceMatch14.0.0

f5big-ip_fraud_protection_serviceMatch14.1.0

Node

f5big-ip_global_traffic_managerRange11.5.1–11.6.4

f5big-ip_global_traffic_managerRange12.1.0–12.1.4

f5big-ip_global_traffic_managerRange13.0.0–13.1.1

f5big-ip_global_traffic_managerMatch14.0.0

f5big-ip_global_traffic_managerMatch14.1.0

Node

f5big-ip_link_controllerRange11.5.1–11.6.4

f5big-ip_link_controllerRange12.1.0–12.1.4

f5big-ip_link_controllerRange13.0.0–13.1.1

f5big-ip_link_controllerMatch14.0.0

f5big-ip_link_controllerMatch14.1.0

Node

f5big-ip_policy_enforcement_managerRange11.5.1–11.6.4

f5big-ip_policy_enforcement_managerRange12.1.0–12.1.4

f5big-ip_policy_enforcement_managerRange13.0.0–13.1.1

f5big-ip_policy_enforcement_managerMatch14.0.0

f5big-ip_policy_enforcement_managerMatch14.1.0

Node

f5big-ip_webacceleratorRange11.5.1–11.6.4

f5big-ip_webacceleratorRange12.1.0–12.1.4

f5big-ip_webacceleratorRange13.0.0–13.1.1

f5big-ip_webacceleratorMatch14.0.0

f5big-ip_webacceleratorMatch14.1.0

Node

f5big-ip_domain_name_systemRange11.5.1–11.6.4

f5big-ip_domain_name_systemRange12.1.0–12.1.4

f5big-ip_domain_name_systemRange13.0.0–13.1.1

f5big-ip_domain_name_systemMatch14.0.0

f5big-ip_domain_name_systemMatch14.1.0

CPENameOperatorVersion
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerle11.6.4
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerle12.1.4
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerle13.1.1
f5:big-ip_local_traffic_managerf5 big-ip local traffic managereq14.0.0
f5:big-ip_local_traffic_managerf5 big-ip local traffic managereq14.1.0

CPE	Name	Operator	Version
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	le	11.6.4
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	le	12.1.4
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	le	13.1.1
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	eq	14.0.0
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	eq	14.1.0

CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "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"
      }
    ]
  }
]

References

support.f5.com/csp/article/K87920510

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.7%

JSON

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