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[email protected]CVE-2018-5527

HistoryJun 27, 2018 - 8:29 p.m.

CVE-2018-5527

2018-06-2720:29:05

CWE-772

[email protected]

web.nvd.nist.gov

big-ip

13.1.0-13.1.0.7

remote attacker

memory leak

ssl

nvd

cve-2018-5527

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

53.4%

JSON

On BIG-IP 13.1.0-13.1.0.7, a remote attacker using undisclosed methods against virtual servers configured with a Client SSL or Server SSL profile that has the SSL Forward Proxy feature enabled can force the Traffic Management Microkernel (tmm) to leak memory. As a result, system memory usage increases over time, which may eventually cause a decrease in performance or a system reboot due to memory exhaustion.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange13.0.0–13.1.0.7

f5big-ip_advanced_firewall_managerRange13.0.0–13.1.0.7

f5big-ip_analyticsRange13.0.0–13.1.0.7

f5big-ip_application_acceleration_managerRange13.0.0–13.1.0.7

f5big-ip_application_security_managerRange13.0.0–13.1.0.7

f5big-ip_domain_name_systemRange13.0.0–13.1.0.7

f5big-ip_edge_gatewayRange13.0.0–13.1.0.7

f5big-ip_global_traffic_managerRange13.0.0–13.1.0.7

f5big-ip_link_controllerRange13.0.0–13.1.0.7

f5big-ip_local_traffic_managerRange13.0.0–13.1.0.7

f5big-ip_policy_enforcement_managerRange13.0.0–13.1.0.7

f5big-ip_webacceleratorRange13.0.0–13.1.0.7

f5big-ip_websafeRange13.0.0–13.1.0.7

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerle13.1.0.7
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerle13.1.0.7
f5:big-ip_analyticsf5 big-ip analyticsle13.1.0.7
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerle13.1.0.7
f5:big-ip_application_security_managerf5 big-ip application security managerle13.1.0.7
f5:big-ip_domain_name_systemf5 big-ip domain name systemle13.1.0.7
f5:big-ip_edge_gatewayf5 big-ip edge gatewayle13.1.0.7
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerle13.1.0.7
f5:big-ip_link_controllerf5 big-ip link controllerle13.1.0.7
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerle13.1.0.7

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	13.1.0.7
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	le	13.1.0.7
f5:big-ip_analytics	f5 big-ip analytics	le	13.1.0.7
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	le	13.1.0.7
f5:big-ip_application_security_manager	f5 big-ip application security manager	le	13.1.0.7
f5:big-ip_domain_name_system	f5 big-ip domain name system	le	13.1.0.7
f5:big-ip_edge_gateway	f5 big-ip edge gateway	le	13.1.0.7
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	le	13.1.0.7
f5:big-ip_link_controller	f5 big-ip link controller	le	13.1.0.7
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	le	13.1.0.7

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CNA Affected

[
  {
    "product": "BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)",
    "vendor": "F5 Networks, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "13.1.0-13.1.0..7"
      }
    ]
  }
]

References

www.securitytracker.com/id/1041196

support.f5.com/csp/article/K20134942

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

53.4%

JSON

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