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F5 Networks Alert

2464
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

21 January, 2020

● Medium

2020-822

All

Description:

F5 Networks has released a clarification to address multiple vulnerabilities in the following products:

  • BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, FPS, GTM, Link Controller, PEM)
    • Hotfix-BIGIP-14.1.2.1.0.83.4-ENG
    • Hotfix-BIGIP-12.1.4.1.0.97.6-ENG
    • Hotfix-BIGIP-11.5.4.2.74.291-HF2
  • BIG-IP (APM)
    • 15.0.0 - 15.1.0
    • 14.0.0 - 14.1.2
    • 13.1.0 - 13.1.3
    • 12.1.0 - 12.1.5
    • 11.5.2 - 11.6.5
  • BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)
    • Hotfix-BIGIP-14.1.0.2.0.45.4-ENG2
    • Hotfix-BIGIP-14.1.0.2.0.62.4-ENG2

Threats:

  • Cross-site scripting (XSS).
  • Unable to detect any potential security compromise of the affected systems.
  • notice panic: Assertion "l3hdr set" failed error message in the /var/log/ltm file when TMM produces a core file.

Best practice and Recommendations:

  • BIG-IP (APM)
    • Use BIG-IP APM Access Control Lists (ACLs) to restrict user access to host, port, and URL path combinations (also known as resource items).

For the other versions:

For more details:

Last updated at 21 January, 2020

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