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F5 Networks Alert

2744
Classification
These posts contain security alerts, including digital loopholes, electronic attacks, technical updates, and they are classified base on the level of severity.

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● High

● Medium

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Warning Date

Severity Level

Warning Number

Target Sector

29 April, 2020

● High

2020-1189

All

Description:

F5 Networks has released a clarification to address a vulnerability in the following product:

  • BIG-IQ Centralized Management
    • 7.0.0
    • 6.0.0 - 6.1.0
    • 5.2.0 - 5.4.0

Threats:

Attacker could exploit the vulnerability by establishing a connection to the BIG-IQ HA synchronization with no authentication. As a result, the BIG-IQ data may be compromised.

Best practice and Recommendations:

The CERT team encourages users to update version 7.0.0 to 7.1.0.

For the other versions, it's recommended to apply the following mitigation:

  • Ensure that the discovery network (the network used by BIG-IQ to communicate with the managed BIG-IP devices) is over a secure network with appropriate encryption, such as a VPN.
  • Ensure that the BIG-IQ discovery network is on a secure network that has security measures in place to prevent Address Resolution Protocol (ARP) poisoning attacks or to block gratuitous ARP (GARP) packets.

For more details:

Last updated at 29 April, 2020

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