CVE-2018-5538

Severity

43%

Complexity

86%

Confidentiality

48%

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".

CVSS 3.0 Base Score 3.7. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N).

Overview

Type

F5

First reported 6 years ago

2018-07-25 14:29:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

F5 Big-IP Domain Name System (DNS)

F5 Big-IP Global Traffic Manager (GTM)

F5 Networks Big-IP Local Traffic Manager (LTM)

F5 Big-IP Link Controller

References

https://support.f5.com/csp/article/K45435121

Mitigation, Vendor Advisory

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